All growth is a leap in the dark, a spontaneous unpremeditated act without benefit of experience.

A painter should begin every canvas with a wash of black, because all things in nature are dark except where exposed by the light.

Let your plans be dark and impenetrable as night, and when you move, fall like a thunderbolt.

The woods are lovely, dark and deep. But I have promises to keep, and miles to go before I sleep.

A rooster crows only when it sees the light. Put him in the dark and he'll never crow. I have seen the light and I'm crowing.

Is it the damned fool, who, at that dark moment, laughs courage right into you.

Walking with a friend in the dark is better than walking alone in the light.

Don't look for a black cat in a dark room, especially if it is not there...

The hardest thing of all is to find a black cat in a dark room, especially if there is no cat.

Their eyes were dark and hard and glowing, with no fear in them, no kindness and no guilt.