People should be confident, clear-sighted, and self-confident, so that they can handle great things.

----Xue Xuan

People should be confident and self-disciplined. Even if you praise him and praise him, you won't be happy for him; even if you slander him or insult him, you won't be discouraged by him.

----Xue Xuan

Everyone does not dare to be confident, and everyone becomes gullible.

----Ovid

Confidence is the first step on the road to success; lack of self-confidence is the main cause of failure.

----Shakespeare

Confidence is the first key to success.

----Emerson