Physics is like sex: sure, it may give some practical results, but that's not why we do it.Richard P. Feynman
There is no learning without having to pose a question. And a question requires doubt.Richard P. Feynman
The first principle is that you must not fool yourself and you are the easiest person to fool.Richard P. Feynman
For a successful technology, reality must take precedence over public relations, for Nature cannot be fooled.Richard P. Feynman
Science is a way of trying not to fool yourself. The first principle is that you must not fool yourself, and you are the easiest person to fool.Richard P. Feynman
Science is the culture of doubt.Richard P. Feynman
The first principle is that you must not fool yourself - and you are the easiest person to fool.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
I would rather have questions that can't be answered than answers that can't be questioned.Richard P. Feynman
If you can't explain something in simple terms, you don't understand it yourself.Richard P. Feynman