Our greatest accomplishments cannot be behind us, because our destiny lies above us.

Love is the one thing we’re capable of perceiving that transcends dimensions of time and space.

Do not go gentle into that good night; Old age should burn and rave at close of day. Rage, rage against the dying of the light.

I’m not afraid of death. I’m an old physicist. I’m afraid of time.

Don’t trust the right thing done for the wrong reason. The why of the thing, that’s the foundation.