(Politeness is) a tacit agreement that people's miserable defects, whether moral or intellectual, shall on either side be ignored and not be made the subject of reproach.
Buying books would be a good thing if one could also buy the time to read them in: but as a rule the purchase of books is mistaken for the appropriation of their contents.
Great minds are related to the brief span of time during which they live, as great buildings are to a little square in which they stand: you cannot see them in all their magnitude because you are standing too close to them.
Happiness belongs to those who are sufficient unto themselves. For all external sources of happiness and pleasure are, by their very nature, highly uncertain, precarious, ephemeral and subject to chance.
I observed once to Goethe . . . that when a friend is with us we do not think the same of him as when he is away. He replied, "Yes! because the absent friend is yourself, and he exists only in your head; whereas the friend who is present has an individuality of his own, and moves according to laws of his own, which cannot always be in accordance with those which you form for yourself."