Quotes that describe being not only confident but also humble include:

When you realize that you are a humble person, you are no longer a humble person. ?

——Leo Tolstoy

Humility is based on strength, and arrogance is based on incompetence. ----Nietzsche

Only strong people are humble. ----Herzen

Arrogance is just a mask of ignorance. ---Voltaire

One cannot be arrogant, but one cannot be without pride. ----Xu Beihong

Pride is the product of ignorance. ----Socrates

Humility makes people progress, and pride makes people fall behind.

If you are humble, many people will follow you; if you are arrogant and arrogant, many people will leave. ——Ge Hong

Those who rely on the greatness of the country, are proud of the people, and want to see power over the enemy are called arrogant soldiers. ——Xiang Wei

Those who empty themselves advance into the foundation of virtue. ——Fang Xiaoru

If you are full, what can you do without loss? Be careful! Be careful! ——Zhu Shunshui

A proud person will always destroy himself in pride. ——Shakespeare

Those who attribute their good fortune too much to their own intelligence and resourcefulness are likely to have a very unfortunate ending. ——Bacon

The first condition for success is to be truly open-minded and be willing to give up all your cherished prejudices as long as they are seen to conflict with the truth. ——Spencer

You can be arrogant without being arrogant, and you can be arrogant by being favored. ——Zhuge Liang