The cowboys have a way of trussing up a steer or a pugnacious bronco which fixes the brute so that it can neither move nor think. This is the hog-tie, and it is what Euclid did to geometry. – Eric Bell, The Search for Truth
Worry, doubt, fear and despair are the enemies which slowly bring us down to the ground and turn us to dust before we die. – Attributed to Douglas MacArthur