Have a heart that never hardens, and a temper that never tires, and a touch that never hurts.

I think there's every reason this 21st century will be much happier.

Three can keep a secret, if two of them are dead. 

We are what we think. All that we are arises with our thoughts. With our thoughts, we make the world.

You cannot believe in God until you believe in yourself.

However many holy words you read, however many you speak, what good will they do you if you do not act on upon them?

Concern for man and his fate must always form the chief interest of all technical endeavors. Never forget this in the midst of your diagrams and equations.

A man who was completely innocent, offered himself as a sacrifice for the good of others, including his enemies, and become the ransom of the world. It was a perfect act.

Politics are very much like war. We may even have to use poison gas at times. 

Man can never be a woman's equal in the spirit of selfless service with which nature has endowed her.

Whenever I hear anyone arguing for slavery, I feel a strong impulse to see it tried on him personally.

Nearly every man who develops an idea works it up to the point where it looks impossible, and then he gets discouraged. That's not the place to become discouraged.