He that communicates his secret to another makes himself that other's slave.
Obama is like a chess player who is playing simultaneous chess and has opened his game with an unusual opening.
It is not a matter of what is true that counts, but a matter of what is perceived to be true.
We cannot give Russia veto over deployment of forces on NATO territory. But we have to understand their particular sensitivities, and, therefore, there should be a dialogue on these issues.
Clearly security without values is like a ship without a rudder. But values without security are like a rudder without a ship.
Superstars strive for approbation; heroes walk alone. Superstars crave consensus; heroes define themselves by the judgment of a future they see it as their task to bring about. Superstars seek success in a technique for eliciting support; heroes pursue success as the outgrowth of inner values.
America has no permanent friends or enemies, only interests
It's a fine thing to rise above pride, but you must have pride in order to do so.
The old knowledge had been difficult but not distressing. It had been all paradox and myth, and it had made sense. The new knowledge was all fact and reason, and it made no sense.
Betrayal is the only truth that sticks.
These things will destroy the human race: politics without principle, progress without compassion, wealth without work, learning without silence, religion without fearlessness and worship without awareness.