Quote #16090
Behind every successful man there are usually a lot of unsuccessful years.
Quote #17964
The educated differ from the uneducated as much as the living from the dead.
Quote #22731
The main thing needed to make men happy is intelligence.
Quote #32548
The speciality of the future is generalism.
Quote #7046
Curiosity is one of the permanent and certain characteristics of a vigorous mind.
Quote #30976
There are three things which if one does not know, one cannot live long...
Quote #18882
It is a commonplace that the history of civilisation is largely the history of...
Quote #15058
The man who has strong opinions and always says what he thinks is courageous...
Quote #30077
Do you want to tear your life apart and get rid of everything you’ve...
Quote #3175
Progress might have been all right once, but it went on too long.