Confucius

The essence of knowledge is, having it, to apply it; not having it, to confess your ignorance.

I hear and I forget. I see and I remember. I do and I understand.

If I am walking with two other men, each of them will serve as my teacher. I will pick out the good points of the one and imitate them, and the bad points of the other and correct them in myself.

When internal examination discovers nothing wrong, what is there to be anxious about, what is there to fear?

You judge yourself by what you think you can achieve, others judge you by what have achieved.

A gentleman does not promote a man on account of what he says; nor does he reject sayings, because the speaker is what he is.

A gentleman considers justice to be essential in everything. He practices it according to the principles of propriety. He brings it forth in modesty and faithfully completes it. This is indeed a gentleman.

Look closely into his aims, observe the means by which he pursues them, discover what brings him content - and can the man's real worth remain hidden from you?

Man is born with uprightness. If one loses it, he will be lucky if he escapes with his life.

The gentleman is calm and at ease. The gentleman is dignified but not proud; the small man is proud but not dignified.