Whoever harbors in his soul some secret revolt against any act whatsoever of the state, of life or of fate, borders on the riot, and as soon as it appears, begins to quiver, and feel lifted up by the whirlwind.
You can be a great genius yet understand nothing of an art which is not your own.
Thought is the work of the intellect, reverie is its self-indulgence. To substitute day-dreaming for thought is to confuse a poison with a source of nourishment.
To live is to understand. To live is to smile at the present, to look toward posterity over the wall.
What leads and controls the world is not locomotives, but ideas. Harness the locomotives to the ideas, yes, but do not mistake the horse for the horseman.
When they saw him making money, they said He is a merchant. When they saw the way in which he scattered his money, they said, He is ambitious. When they saw him refuse honors, they said, He is an adventurer. When they saw him repel the advances of the fashionable, they said, He is a brute.
Whosoever we may be, we are adventurers of the world of our thoughts.