" Life is not made for happiness, but for achievement.

"The history of the world is not the theatre of happiness; periods of happiness are blank pages in it, for they are periods of harmony"; and this dull content is unworthy of man.

History is made only in those periods in which the contradictions of reality are being resolved by growth, as the hesitations of and awkwardness of youth pass into the ease and order of maturity. "

― Will Durant , The Story of Philosophy: The Lives and Opinions of the World's Greatest Philosophers