Quote #14632
The greater the difficulty the more glory in surmounting it. Skillful pilots gain their...
Quote #19872
An optimist is a person who sees a green light everywhere, while a pessimist...
Quote #24169
Physical concepts are free creations of the human mind, and are not, however it...
Quote #752
Why is it that our memory is good enough to retain the least triviality...
Quote #21226
Atheism leaves a man to sense, to philosophy, to natural piety, to laws, to...
Quote #33918
All theory, dear friend, is gray, but the golden tree of life springs ever...
Quote #23731
We do not quite say that the new is more valuable because it fits...
Quote #2217
A ship in harbor is safe— but that is not what ships are for.
Quote #5826
War kills men, and men deplore the loss; but war also crushes bad principles...
Quote #28468
Half the failures of this world arise from pulling in one’s horse as he...