The Important Things Are Always Simple.

To Invent Something, All You Need Is Imagination And A Big Pile Of Junk.

If I Had Foreseen Hiroshima And Nagasaki, I Would Have Torn Up My Formula In 1905.

The Most Fundamental Question We Can Ever Ask Ourselves Is Whether Or Not The Universe We Live In Is Friendly Or Hostile.

I Am Neither Especially Clever Nor Especially Gifted. I Am Only Very, Very Curious.

Qualities I Sought In A Scientific Theory Were Naturalness, Inner Perfection And Logical Simplicity From An Aesthetic Approach.