Every truth has four corners: as a teacher I give you one corner, and it is for you to find the other three.
Do not let a leader lead you on a bad path.
Transport a handful of earth everyday and you will make a mountain.
Study the past if you would define the future. I am not one who was born in the possession of knowledge; I am one who is fond of antiquity, and earnest in seeking it there. Learning without thought is labor lost; thought without learning is perilous.
A man may not transgress the bounds of major morals, but may make errors in minor morals.
I used to take on trust a man's deeds after having listened to his words. Now having listened to a man's words I go on to observe his deeds.