Carl Sagan
If you wish to make an apple pie from scratch, you must first invent the universe.
More quotes and aphorisms
He had not yet learned that the only safe male rebuke...At times our own light goes out...He who lives only to benefit himself confers...I think the best thing I ever did was, years before...Happiness in intelligent people is the rarest...I was lucky to marry Paul. He was a great inspiration...