João Victor

“All the time you're saying to yourself, 'I could do that, but I won't,' — which is just another way of saying that you can't.”
― Richard P. Feynman, Surely You're Joking, Mr. Feynman!: Adventures of a Curious Character

“When it came time for me to give my talk on the subject, I started off by drawing an outline of the cat and began to name the various muscles.

The other students in the class interrupt me: "We *know* all that!"

"Oh," I say, "you *do*? Then no *wonder* I can catch up with you so fast after you've had four years of biology." They had wasted all their time memorizing stuff like that, when it could be looked up in fifteen minutes.”
― Richard P. Feynman, Surely You're Joking, Mr. Feynman!: Adventures of a Curious Character

“If you thought that science was certain - well, that is just an error on your part.”
― Richard P. Feynman

“We are trying to prove ourselves wrong as quickly as possible, because only in that way can we find progress.”
― Richard P. Feynman