"Those that know, do. Those that understand, teach" — Aristotle

To affect the quality of the day, that is the highest of arts.

Source: Walden (1854)

It is always incomprehensible to a man that a woman should refuse an offer of marriage

Source: Emma (1815)

All our discontents about what we want appeared to me to spring from the want of thankfulness for what we have.

Source: The Life and Adventures of Robinson Crusoe

Talking with a friend is nothing else but thinking aloud

Source: The Spectator, no. 225 (1711)

I think, therefore I am.

Source: A Discourse on Method (1637), Part IV

The language of friendship is not words but meanings

Source: A Week on the Concord and Merrimack Rivers (1849)

Aristotle Quote