Difficulties are meant to rouse, not discourage. The human spirit is to grow strong by conflict.
When you close your doors, and make darkness within, remember never to say that you are alone, for you are not alone; nay, God is within, and your genius is within. And what need have they of light to see what you are doing?
Man is the only animal that can remain on friendly terms with the victims he intends to eat until he eats them.
The most important thing in communication is to hear what isn't being said.
I daresay one profits more by the mistakes one makes off one's own bat than by doing the right thing on somebody's else advice.
Life engenders life. Energy creates energy. It is by spending oneself that one becomes rich.
You must not lose faith in humanity. Humanity is an ocean; if a few drops of the ocean are dirty, the ocean does not become dirty.