Better keep yourself clean and bright; you are the window through which you must see the world.

Let the refining and improving of your own life keep you so busy that you have little time to criticize others.

Unbeing dead isn't being alive.

Courage is the first of human qualities because it is the quality that guarantees all others.

My great concern is not whether you have failed, but whether you are content with your failure.

Darkness cannot drive out darkness: only light can do that. Hate cannot drive out hate: only love can do that.

“Do I not effectually destroy my enemies, in making them my friends?”