Self-doubt is a check on yourself; it can be helpful or undermine you, but we all have it.

Self-doubt is a common experience, but building confidence and self-belief is essential for overcoming challenges and achieving goals.

The belief that you can create something valuable is essential; it drives action and innovation, even in the face of self-doubt.

Don't count yourself out when you feel fear and doubt; these feelings can be part of the process that leads to success.

Original thinkers often feel the same fear and doubt as everyone else, but they manage it differently.

It's common for founders with expertise to feel fearful and second-guess their ideas, while those without expertise may be overly confident in their assumptions.

Every decision I make comes with doubt, but I have a stubborn persona that keeps me focused on my vision and delivery.

I believe that if you have a strong conviction about an idea at the back-of-the-napkin stage, you might be deluding yourself, but that self-delusion can be a positive trait for entrepreneurs.

It's important to have a skeptic on your team who can challenge ideas and push for quick, reasonable tests to validate product concepts.