While I do not suggest that humanity will ever be able to dispense with its martyrs, I cannot avoid the suspicion that with a little more thought and a little less belief their number may be substantially reduced.
John B. S. HaldaneIn fact, words are well adapted for description and the arousing of emotion, but for many kinds of precise thought other symbols are much better.
John B. S. HaldaneThe conservative has but little to fear from the man whose reason is the servant of his passions, but let him beware of him in whom reason has become the greatest and most terrible of the passions. These are the wreckers of outworn empires and civilisations, doubters, disintegrators, deicides.
John B. S. Haldane