Figuring out how to think about the problem.

I never thought that others would take my theories so much more seriously than I did.

Discussion and argument are essential parts of science; the greatest talent is the ability to strip a theory until the simple basic idea emerges with clarity.

I believe that pipe smoking contributes to a somewhat calm and objective judgement in all human affairs.

Never underestimate your own ignorance.

Curiosity has its own reason for existence.

Gravitation cannot be held responsible for people falling in love. How on earth can you explain in terms of chemistry and physics so important a biological phenomenon as first love? Put your hand on a stove for a minute and it seems like an hour. Sit with that special girl for an hour and it seems like a minute. That's relativity.