Richard Feynman

"The universe is not only strange, it is stranger than we can suppose."

"You learn by doing and by making mistakes."

"Everything must be based on reason and experiment."

"Science is a process of generating questions and seeking answers."

"The ability to derive pleasure from small things is a great gift."

"There is pleasure in recognizing old ideas in a new light."

"To understand is to invent."

"Fear of being laughed at should not stop you from pursuing truth."

"Strive for simplicity, but make sure it is not simplistic."

"The underlying mechanism is always more interesting than the appearance."

"Do not just accept what experts say; verify it yourself."

"Reality is the ultimate judge of what is true."

"Find what you love to do and do it well."

"The world is a place of wonder if you stop and look at it carefully."

"The first principle is that you must not fool yourself – and you are the easiest person to fool."

"What I cannot create, I do not understand."

"Nature isn't classical, dammit, if you want to make a simulation of nature, you'd better make it quantum mechanical."

"I would rather have questions that can't be answered than answers that can't be questioned."

"The pleasure of finding things out is the only real scientific motivation."

"Curiosity is the essence of a scientist's mind."

"You don't have to know everything to understand something."

"The most important thing is not to stop questioning."

"We are trying to prove ourselves wrong as quickly as possible, because only in that way can we find progress."

"There is pleasure in recognizing old things from a new point of view."

"The real problem in speech is not precise language. The problem is clear language."

"If you wish to make an apple pie from scratch, you must first invent the universe."

"Everything is interesting if you look at it closely enough."

"I learned very early the difference between knowing the name of something and knowing something."

"The effort to prevent war is just as good as the effort to stop war."

"Science is the belief in the ignorance of experts."