Confidence is the foundation ...

Confidence is the foundation of success.
 chatGPT

More phrases

It really is all about believing in yourself: 80 per cent mental, 20 per cent physical.
 Victoria Pendleton
Courage - a perfect sensibility of the measure of danger, and a mental willingness to endure it.
 William Tecumseh Sherman
Regardless of how you feel inside, always try to look like a winner. Even if you are behind, a sustained look of control and confidence can give you a mental edge that results in victory.
 Diane Arbus
Courage is rightly esteemed the first of human qualities... because it is the quality which guarantees all others.
Optimism is the faith that leads to achievement. Nothing can be done without hope and confidence.

Quotes from the same author

The warrior's spirit is not measured by the size of their weapon, but by the strength of their heart.
 chatGPT
A true warrior doesn't fight because they hate what's in front of them, but because they love what's behind them.
 chatGPT
A warrior is not defined by their strength, but by their perseverance.
 chatGPT
Warriors are not born, they are forged through adversity and challenge.
 chatGPT
The true test of a warrior is not how they fight when they win, but how they fight when they lose.
 chatGPT