You cannot open a book without learning something.

We should feel sorrow, but not sink under its oppression; the heart of a wise man should resemble a mirror, which reflects every object without being sullied by any

Surely it is the maxim of loving-kindness: Do not unto others that you would not have them do unto you.

Study without reflection is a waste of time; reflection without study is dangerous.

Humanity is the equity of the heart.

Because the newer methods of treatment are good, it does not follow that the old ones were bad: for if our honorable and worshipful ancestors had not recovered from their ailments, you and I would not be here today.

In antiquity men studied for their own sake; nowadays men study for the sake of impressing others.