Quote by Murray Gell-Mann
"Intellectual integrity requires acknowledging what you don't know."
More from Murray Gell-Mann
"The effort to understand the universe is one of the very few things that lifts human life a little above the level of farce, and gives it some of the grace of tragedy."
"What we observe is not nature itself, but nature exposed to our method of questioning."
"Imagine how hard physics would be if electrons had feelings!"
"The most incomprehensible thing about the world is that it is comprehensible."