Just be your own great self, not "better" or "worse" than anyone else

Believe in yourself. Have faith in your abilities.
Without a humble but reasonable confidence in your own powers
you cannot be successful or happy.
- Norman Vincent Peale

If you have no confidence in self,
you are twice defeated in the race of life.
With confidence, you have won even before you have started.
- Marcus Tullius Cicero

Confidence isn’t thinking you are better than others,
it’s realizing that you have no reason to compare yourself to anyone else.
-Maryam Hasnaa

If you don't have confidence, you'll always find a way not to win.
- Carl Lewis

Self-confidence is the first requisite to great undertakings.
- Samuel Johnson

With realization of one's own potential and
self-confidence in one's ability,
one can build a better world.
- Tenzin Gyatso, the 14th Dalai Lama

Confidence is half of victory.
- Yiddish Proverb

Just be your own great self, not "better" or "worse" than anyone else.
- Jonathan Lockwood Huie

Further reading: Ignore Your Critics

Believe In Yourself

My Wish

Make Your Dreams Come True