Overpopulation in various countries has become a serious threat to the health of people and a grave obstacle to any attempt to organise peace on this planet

Genius is making complex ideas simple, not making simple ideas complex

Once you can accept the universe as matter expanding into nothing that is something, wearing stripes with plaid comes easy.

When a man, after long years of searching, chances upon a thought which discloses something of the beauty of this mysterious universe, he should not therefore be personally celebrated. He is already sufficiently paid by his experience of seeking and finding.

I refuse to make money out of my science. My laurel is not for sale like so many bales of cotton.

I am truly a "lone traveler" and have never belonged to my country, my home, my friends, or even my immediate family, with my whole heart.

Play is the highest from of research.