You can't blame gravity for falling in love.
The best argument against democracy is a five-minute conversation with the average voter.
You can always count on Americans to do the right thing - after they've tried everything else.
I am always ready to learn although I do not always like being taught.
If I were two-faced, would I be wearing this one?
I owe my solitude to other people.
If a man watches three football games in a row, he should be declared legally dead.
When I was 40, my doctor advised me that a man in his 40s shouldn't play tennis. I heeded his advice carefully and could hardly wait until I reached 50 to start again.
Ethical axioms are found and tested not very differently from the axioms of science. Truth is what stands the test of experience.