"Of all the things I've lost, I miss my mind the most" — Mark Twain

Talking with a friend is nothing else but thinking aloud

Source: The Spectator, no. 225 (1711)

Jealous: Unduly concerned about the preservation of that which can be lost only if not worth keeping

Source: The Devil's Dictionary (1911)

Four seasons fill the measure of the year; there are four seasons in the mind of man

Source: The Human Seasons (1818)

If you have built castles in the air, your work need not be lost; that is where they should be. Now put the foundations under them.

Source: Walden (1854)

My imagination is a monastery and I am its monk

Source: Letters of John Keats (1817-1820)

Reading is to the mind what exercise is to the body

Source: The Tatler, no. 147 (1710)

Mark Twain Quote