What is the appropriate behavior for a man or a woman in the midst of this world, where each person is clinging to his piece of debris? What's the proper salutation between people as they pass each other in this flood?

The best thinking has been done in solitude. The worst has been done in turmoil.

Peace cannot be kept by force; it can only be achieved by understanding.

A coward is incapable of exhibiting love; it is the prerogative of the brave.

And no, we don't know where it will lead. You just know there's something much bigger than any of us here. 

Promises that are not fulfilled amount to deceit.

All differences in this world are of degree, and not of kind, because oneness is the secret of everything.

We should be too big to take offense and too noble to give it.

The only source of knowledge is experience.

Love begins at home, and it is not how much we do... but how much love we put in that action.

Many of life's failures are people who don't realize how close they were to success when they gave up.

Guests, like fish, begin to smell after three days.