If only I had known, I should have become a watchmaker.

The pursuit of truth and beauty is a sphere of activity in which we are permitted to remain children all our lives.

The strongest force in the universe is Compound Interest.

I assert that the cosmic religious experience is the strongest and the noblest driving force behind scientific research.

Life is like a bicycle; keep moving on to maintain balance.

My intellectual development was retarded, as a result of which I began to wonder about space and time only when I had already grown up.

How can he possibly be humble? He hasn't done anything yet.