"To study and constantly, is this not a pleasure? To have friends come from far away places, is this not a joy? If people do not recognize your worth, but this does not worry you, are you not a true gentleman?"
"The Master said, “A true teacher is one who, keeping the past alive, is also able to understand the present.”(Analects 2.11)"
"Shall I teach you what knowledge?When you know a thing, say that you know it;when you do not know a thing,admit that you do not know it.That is knowledge"
"Learning without thought is labor lost; thought without learning is perilous."
"Knowledge is merely brilliance in organization of ideas and not wisdom. The truly wise person goes beyond knowledge."
"Forget injuries, never forget kindnesses."