There are men whom you will never dislodge from an opinion, except by taking possession of it yourself. – Augustus William Hare and Julius Charles Hare, Guesses at Truth, by Two Brothers
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