8 phrases that instantly make you sound more confident, according to experts

Olivia Reid by Olivia Reid | March 17, 2025, 4:45 am

When I say “I’m sure”, you know I’m confident. When I say “I don’t know”, well, that’s a different story.

That’s the power of words—they can instantly portray your confidence level to the world. But trust me, it’s not always that simple.

The nuances of language are so intricate that it requires a bit more finesse to project a confident image, especially when you’re communicating in English—a language spoken globally and filled with its own unique quirks and complexities.

Luckily, some phrases can do the heavy lifting for you.

According to experts, there are 8 specific phrases that can instantly make you sound more confident.

Now, let’s delve into these power-packed phrases that can help you shine in any conversation.

1) “I know”

Words are tricky, aren’t they?

One moment, they can make you feel on top of the world, and the next, they can pull the rug out from under you.

But guess what? When used right, they can be your best allies.

Take “I know” for example.

It’s simple, direct, and oozes confidence. It tells people that you’re sure of what you’re speaking about and that they can trust your judgment.

But here’s where it gets more interesting.

This phrase isn’t just about projecting confidence—it’s also about showing that you’re knowledgeable in your field.

That you’ve done your homework and are prepared to share your expertise with the world.

Next time you’re in a conversation or a meeting, don’t shy away from saying “I know” when you’re sure about something.

It might just be the push of confidence you need.

Isn’t that compelling?

2) “I’m confident that…”

Now, here’s another one for you.

“I’m confident that…”

A phrase I’ve used a countless number of times, and every time, I’ve seen a noticeable shift in how people perceive me.

Let me tell you a quick story.

A few years ago, I was in a team meeting, presenting a new project idea. As I was speaking, I felt the room fill with skepticism.

That’s when I switched gears.

Instead of simply stating facts about the project, I started my sentences with “I’m confident that…”.

“I’m confident that this project will bring significant growth to our department.” “I’m confident that we have the resources to make this happen.”

And the result? The room’s atmosphere changed.

The skepticism faded away, replaced by nods of agreement and the spark of shared excitement.

That’s the power of this phrase. It not only boosts your own confidence but also influences others to believe in your ideas and vision.

Give it a try! You’ll see the difference.

3) “I will”

Let’s talk about “I will”.

This phrase is more than a statement of intent—it’s a promise.

When you say “I will”, you’re not just expressing what you plan to do, you’re also making a commitment.

Why? Because “I don’t” is a phrase of refusal, while “I can’t” implies an external limitation.

But here’s where “I will” comes into play. This phrase takes it a step further by signaling determination and resolve.

You’re not merely refusing or accepting limitations—you’re making a conscious decision to do something.

Next time you want to express your plans or commitments, say “I will”.

It’s a subtle shift in language that can make a world of difference in how people perceive your confidence.

4) “Let’s explore this further”

Now, onto “Let’s explore this further”.

This phrase is a gem. It shows that you’re open-minded, ready to delve deeper into the subject at hand, and not afraid to challenge the status quo.

It encourages dialogue and suggests that you’re confident in your ability to handle whatever comes out of that exploration.

Using this phrase also demonstrates your leadership skills.

It shows that you’re willing to guide the conversation, drive the discussion forward, and encourage others to share their thoughts.

Confidence isn’t just about having all the answers—it’s also about being brave enough to question what’s already known and seeking to learn more.

Don’t be afraid to say “Let’s explore this further” when you think there’s more to the story.

It’s a powerful way to display your confidence and curiosity.

5) “I believe”

Moving on to “I believe”.

This phrase is one of my personal favorites. It’s a great way to express your opinions and convictions with confidence.

When you say “I believe”, you’re not just sharing what you think—you’re also showing that you stand by your thoughts.

In my experience, using “I believe” encourages others to respect your views, even if they disagree.

It shows that your beliefs are not easily swayed, which is a sign of a confident individual.

“I believe” also sets the stage for open dialogue. It invites others to share their beliefs, creating a platform for fruitful discussions.

Next time you’re sharing your thoughts or ideas, start with “I believe”.

It’s a powerful way to assert your confidence and encourage mutual respect in any conversation.

6) “I don’t know”

Now, let’s talk about “I don’t know”.

Seems odd, right? How can admitting a lack of knowledge make you sound confident?

Well, it’s all about honesty and humility. When you say “I don’t know”, you’re acknowledging that you don’t have all the answers.

And trust me, there’s nothing more confident than admitting your limitations and being open to learning.

Instead of pretending to know something you don’t, saying “I don’t know” shows that you’re comfortable with your knowledge gaps.

It also shows that you’re eager to learn more, which is a trait admired by many.

Don’t shy away from saying “I don’t know” when it’s true. It’s a phrase that can surprisingly make you come across as more confident.

7) “Why not?”

Next up is “Why not?”.

This phrase is all about embracing opportunities and being open to new ideas.

When you say “Why not?”, you’re showing that you’re not afraid of the unknown and that you’re willing to step outside your comfort zone.

It’s a phrase that reflects your readiness to take on challenges and your willingness to explore different paths.

It gives off a vibe of positivity and invites possibilities.

Moreover, “Why not?” shows that you’re not easily swayed by fear of failure.

You’re confident enough to take risks and face the consequences, which is a key characteristic of confident people.

When presented with a new idea or opportunity, instead of immediately finding reasons against it, try asking “Why not?”.

It’s a simple shift in perspective that can boost your confidence and open up a world of possibilities.

8) “I can”

Finally, the phrase “I can”.

This tiny phrase packs a powerful punch. It’s a clear, direct statement of your abilities and confidence.

When you say “I can”, you’re expressing your belief in your own capabilities.

It’s more than just an assertion—it’s a mindset. It’s about having faith in yourself and your ability to handle whatever comes your way.

Make “I can” a part of your daily vocabulary.

It’s a constant reminder of your strength and potential, helping to boost your confidence each time you say it.

Closing thoughts

If you’ve come this far, hopefully you’ll realize that confidence isn’t about portraying a persona of perfection.

Instead, it’s about authenticity, honesty, and the courage to express your thoughts and beliefs.

Using these phrases isn’t just about sounding confident—it’s about cultivating a mindset of confidence.

It’s about believing in your capabilities, acknowledging your limitations, and navigating the intricacies of communication with grace.

A single phrase can change the tone of any conversation. The power of words to shape perceptions is undeniable.

Choose your words wisely because they are a reflection of who you are and what you stand for.

As Mark Twain once said, “The difference between the right word and the almost right word is the difference between lightning and a lightning bug.”

With these phrases in your communication toolkit, may you strike lightning in every conversation.

After all, confidence is not just about how others perceive you, but also about how you perceive yourself.