Richard P. Feynman quotes and aphorisms about know Richard P. Feynman Richard P. Feynman Richard P. Feynman Richard P. Feynman Richard P. Feynman Richard P. Feynman Richard P. Feynman ,, I think that when we know that we actually do live in uncertainty, then we ought to admit it; it is... Richard P. Feynman Richard P. Feynman Richard P. Feynman