Quote #8237
Mathematics may be defined as the subject in which we never know what we...
Quote #9793
Never lend books – nobody ever returns them; the only books I have in...
Quote #27380
Natural selection, as it has operated in human history, favors not only the clever...
Quote #3293
Irony is the hygiene of the mind.
Quote #22526
Unless a president can protect the privacy of the advice he gets, he cannot...
Quote #29671
I cannot believe that my illness is natural. I suspect Satan, and therefore I...
Quote #17949
Even when laws have been written down, they ought not always to remain unaltered.
Quote #24555
… everything in nature is lyrical in its ideal essence, tragic in its fate,...
Quote #29082
It is not easy for men to rise whose qualities are thwarted by poverty.
Quote #24437
There is one thing even more vital to science than intelligent methods and that...