This quote is written / told by Edward Teller between January 15, 1908 and September 9, 2003. He/she was a famous Physicist from USA.
The author also have 10 other quotes.
"The man who makes everything that leads to happiness depends upon himself, and not upon other men, has adopted the very best plan for living happily. This is the man of moderation, the man of manly character and of wisdom"