"Security is mostly a superstition. It does not exist in nature, nor do the children of men as a whole experience it."

"The test of a first-rate intelligence is the ability to hold two opposed ideas in mind at the same time and still retain the ability to function."

"We are never really happy until we learn to lose ourselves in the service of others."

"The greatest calamity that can befall a man is to lose his own soul."

"I am not content to be a mere echo. I want to be a voice."