There exists blind self-confidence in human nature.

人性当中有盲目自信的一面。

youdao

For the Moral character and behavior of human being basically depend on self-confidence.

因为人的品行基本上是取决于自信的。

youdao

Yes, it isn't easy to really understand a human being. And, to understand others, we need first of all to understand ourselves and to gain self-esteem and confidence.

是的，要认识一个人确实是很困难的，同时，理解他人，我们首先必须认识我们自己，才能获得自尊和信心。

youdao