“History is the Science of things which are never repeated.”

“To trace something back to something known is alleviating, soothing, gratifying and gives moreover a feeling of power. Danger, disquiet, anxiety attend the unknown – the first instinct is to eliminate these distressing states. First principle: any explanation is better than none…..”

“A science is any discipline in which a fool of this generation can go beyond the point reached by the genius of the last generation.”

“Time is what prevents everything from happening all at once”

“All truth is simple – is that not a compound lie?”
“Basic research is like shooting an arrow into the air and, where it lands, painting a target.”

“The purpose of models is not to fit the data, but to sharpen the questions.”

“The capacity to get free is nothing: the capacity to be free, that is the task.”

“Eventually, everything we currently believe will be revised. What we believe, then, is necessarily untrue."