People start their lives at last when they are able to live for something other than themselves.

Imagination is greater than knowledge.

Even though the realms of religion and science in themselves are clearly marked off from each other, nevertheless there exist between the two strong reciprocal relationships and dependencies.

...Intelligence and character of the masses are incomparably lower than the intelligence and character of the few who produce something valuable for the community.

I believe in intuition and inspiration. Imagination is more important than knowledge. For knowledge is limited, whereas imagination embraces the entire world, stimulating progress, giving birth to evolution. It is, strictly speaking, a real factor in scientific research.

I am truly a "lone traveler" and have never belonged to my country, my home, my friends, or even my immediate family, with my whole heart.

People like us, who believe in physics, know that the distinction between past, present, and future is only a stubbornly persistent illusion.