Study without desire spoils the memory, and it retains nothing that it takes in.
Everything must be made as simple as possible. But not simpler.
If voting made any difference they wouldn’t let us do it.
To such a world of conflict, a world of victims, and executions, it is the job of thinking people not to be on the side of the executioners.
The educated differ from the uneducated as much as the living differ from the dead.
I think that we must find some way to get more common sense, more rationality, in our decisions and less emotion.
He who opens a school door, closes a prison.
I think it is a mistake to judge science by Nobel Prizes.
The whole of science is nothing more than a refinement of everyday thinking.
Ignorance more frequently begets confidence than does knowledge: it is those who know little, and not those who know much, who so positively assert that this or that problem will never be solved by science.