One can't understand everything at once, we can't begin with perfection all at once! In order to reach perfection one must begin by being ignorant of… - Fyodor Dostoyevsky

To care only for well-being seems to me positively ill-bred. Whether it’s good or bad, it is sometimes very pleasant, too, to smash things.

There is something at the bottom of every new human thought, every thought of genius, or even every earnest thought that springs up in any brain, which can never be communicated to others, even if one were to write volumes about it and were explaining one's idea for thirty-five years; there's something left which cannot be induced to emerge from your brain, and remains with you forever; and with it you will die, without communicating to anyone perhaps the most important of your ideas.

Man is a creature that can get accustomed to anything, and I think that is the best definition of him.