A person who never made a mistake never tried anything new.
A perfection of means, and confusion of aims, seems to be our main problem.
A man should look for what is, and not for what he thinks should be.
All that is valuable in human society depends upon the opportunity for development accorded the individual.
God does not play dice.
God always takes the simplest way.
Force always attracts men of low morality.
Few people are capable of expressing with equanimity opinions which differ from the prejudices of their social environment. Most people are even incapable of forming such opinions.
Few are those who see with their own eyes and feel with their own hearts.
As far as I'm concerned, I prefer silent vice to ostentatious virtue.
Gravitation is not responsible for people falling in love.
Education is what remains after one has forgotten what one has learned in school.
Do not worry about your difficulties in Mathematics. I can assure you mine are still greater.
Confusion of goals and perfection of means seems, in my opinion, to characterize our age.
Concern for man and his fate must always form the chief interest of all technical endeavors. Never forget this in the midst of your diagrams and equations.