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.

To know it is not as good as to love it, and to love it is not as good as to take delight in it.

A man who lacks reliability is utterly useless.

Study as if you have not reached your goal - hold it as if you were afraid of losing what you have.

Stars are holes in the sky from which the light of the infinite shines.

Every truth has four corners: as a teacher I give you one corner, and it is for you to find the other three.

One joy dispels a hundred cares.