Peter McWilliams Quotes
Mistakes show us what we need to learn.
Citations
McWilliams, Peter, and John-Roger. Life 101: Everything We Wish We Had Learned about Life in School--But Didn't. Prelude Press, 1990, p. 130.
Related Quotes
Peter Alexander McWilliams was an American self-help author who advocated for the legalization of marijuana.