Quote #22109
Doubt is not a pleasant condition, but certainty is an absurd one.
Quote #10973
Necessity, who is the mother of invention.
Quote #29138
Heavier-than-air flying machines are impossible.
Quote #20152
The politician is … trained in the art of inexactitude. His words tend to...
Quote #19438
Humans are the only animals that have children on purpose with the exception of...
Quote #6470
There are in fact two things, science and opinion; the former begets knowledge, the...
Quote #18095
Sometime they’ll give a war and nobody will come.
Quote #19712
If you would not be forgotten as soon as you are dead, either write...
Quote #22352
It’s not your blue blood, your pedigree or your college degree. It’s what you...
Quote #20044
The happy man is not he who seems thus to others, but who seems...