The famous sayings about courage are as follows:

Courage is justifiably regarded as the first of human virtues, because this virtue guarantees all the other virtues. ——Churchill

Courage is a kind of tenacity; precisely because it is a kind of tenacity, it gives us the ability to self-denial and self-conquer in any form. Therefore, it is by virtue of this point that courage is somewhat related to virtue. ——Schopenhauer

Courage, like love, needs hope to nourish it. ——Napoleon

Courage is the measure of the size of the soul. ——Carnegie

Courage is the most important human trait. If you have courage, other human traits will naturally be present. ——Churchill