Conscious man, to be sure, has at all times been keenly aware that life is an adventure, that life must, forever, be wrested from death.

If you want to know the future, look at the past.

I don't know what weapons will be used in the Third World War. But I can tell you what they'll use in the Fourth - rocks!

The power of imagination is the ultimate creative power.. no doubt about that. While knowledge defines all we currently know and understand.. imagination points to all we might yet discover and create. Imagination is more important than knowledge. Your imagination is your preview of life's coming attractions

How was I able to live alone before, my little everything? Without you I lack self-confidence, passion for work, and enjoyment of life--in short, without you, my life is no life. [Written to his wife, Mileva]

If I were to remain silent, I'd be guilty of complicity.

All these constructions and the laws connecting them can be arrived at by the principle of looking for the mathematically simplest concepts and the link between them.