The vices come as passengers, visit us as guest and stay as masters.

To know what is the right thing to do and not do it is the greatest cowardice.

Do not unto another that you would hot have him do unto you. Thou needest this law alone. It is the foundation of all the rest.

The hardest thing of all is to find a black cat in a dark room, especially if there is no cat.

The superior man acts before he speaks, and afterwards speaks according to his action.

Know what you know and know that you don't know what you don't know — that is the characteristic of one who knows.

When prosperity comes, do not use all of it.