Russian communist revolutionary.
"He was a communist theorist and agitator and a leader in Russia's October Revolution, 1917."
Learning carries within itself certain dangers because out of necessity one has to learn from one's enemies.
Not believing in force is the same as not believing in gravity.
"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."
If we had had more time for discussion we should probably have made a great many more mistakes.
Old age is the most unexpected of all the things that can happen to a man.