Quote #13699
For of all sad words of tongue or pen, the saddest are these, “It...
Quote #17981
For the things we have to learn before we can do them, we learn...
Quote #3254
The human race may well become extinct before the end of the century.
Quote #19169
Opportunity may knock only once, but temptation leans on the doorbell.
Quote #30461
The power of choosing good and evil is within the reach of all.
Quote #27919
People will believe anything. They will believe it because they want it to be...
Quote #5660
All things are difficult before they are easy.
Quote #4584
One needs to be slow to form convictions, but once formed they must be...
Quote #22014
Management means, in the last analysis, the substitution of thought for brawn and muscle,...
Quote #17725
The great tragedy of science — the slaying of a beautiful hypothesis by an...