Obstacles are like wild animals. They are cowards but they will bluff you if they can. If they see you are afraid of them... they are liable to spring upon you; but if you look them squarely in the eye, they will slink out of sight. Orison Swett Marden
I don't suffer much from solitude in the evenings. I spring upon my books. I always spoke a good word for solitude, and it is grateful to me. Books ward off the ghastly thoughts. Samuel Palmer
The government does not, indeed, waylay a man in a lonely place, spring upon him from the road side, and, holding a pistol to his head, proceed to rifle his pockets. But the robbery is none the less a robbery on that account; and it is far more dastardly and shameful. Lysander Spooner