If you can't explain it to a six year old, you don't underst... - Albert Einstein

"We know from daily life that we exist for other people first of all, for whose smiles and well-being our own happiness depends."

"Science without religion is lame, religion without science is blind."

"As our circle of knowledge expands, so does the circumference of darkness surrounding it."

"Strive not to be a success, but rather to be of value."

"If I were not a physicist, I would probably be a musician. I often think in music. I live my daydreams in music. I see my life in terms of music."