Who said “In a serious struggle there is no worse cruelty than to be magnanimous at an inopportune…”?

“I've never forgotten for long at a time that living is struggle. I know that every good and excellent thing in the world stands moment by moment on the razor-edge of danger and must be fought for -- whether it's a field, or a home, or a country.”

“The struggle itself towards the heights is enough to fill a man's heart. One must imagine Sisyphus happy.”

“I have always struggled to achieve excellence. One thing that cycling has taught me is that if you can achieve something without a struggle it's not going to be satisfying.”

“The way I see things, the way I see life, I see it as a struggle. And there's a great deal of reward I have gained coming to that understanding -- that existence is a struggle.”

“It may be that the most interesting American struggle is the struggle to set oneself free from the limits one is born to, and then to learn something of the value of those limits.”

“Fascism is nothing but capitalist reaction.”

“Old age is the most unexpected of all the things that happen to a man.”

“Learning carries within itself certain dangers because out of necessity one has to learn from one's enemies.”

“The historic ascent of humanity, taken as a whole, may be summarized as a succession of victories of consciousness over blind forces -- in nature, in society, in man himself.”

“Life is not an easy matter. You cannot live through it without falling into frustration and cynicism unless you have before you a great idea which raises you above personal misery, above weakness, above all kinds of perfidy and baseness.”

“Let a man find himself, in distinction from others, on top of two wheels with a chain -- at least in a poor country like Russia -- and his vanity begins to swell out like his tires. In America it takes an automobile to produce this effect.”