Quote #5377
Nothing in the world is as certain as death.
Quote #9791
Any man with a moderate income can afford to buy more books than he...
Quote #496
I never see what has been done; I only see what remains to be...
Quote #30252
Discovery consists of seeing what everybody has seen and thinking what nobody has thought.
Quote #14224
The condition upon which God has given liberty to man is eternal vigilance.
Quote #25191
A synonym is a word you use when you can’t spell the word you...
Quote #17740
There is no greater mistake than the hasty conclusion that opinions are worthless because...
Quote #14828
Bear in mind, if you are going to amount to anything, that your success...
Quote #15608
My son, observe the postage stamp! Its usefulness depends upon its ability to stick...
Quote #29538
Science when well digested is nothing but good sense and reason.