Richard Feynman Quote

Energy is a very subtle concept. It is very, very difficult to get right.


address "What is Science?", presented at the fifteenth annual meeting of the National Science Teachers Association, in New York City (1966), published in The Physics Teacher, volume 7, issue 6 (1969), p. 313-320


Energy is a very subtle concept. It is very, very difficult to get right.

Energy is a very subtle concept. It is very, very difficult to get right.

Energy is a very subtle concept. It is very, very difficult to get right.

Energy is a very subtle concept. It is very, very difficult to get right.