The sole meaning of life is to serve humanity.
“He who has a why to live for can bear almost any how.”
“Seize the moments of happiness, love and be loved! That is the only reality in the world, all else is folly.”
“The only thing that we know is that we know nothing — and that is the highest flight of human wisdom.”
“The most difficult subjects can be explained to the most slow-witted man if he has not formed any idea of the…”