All of the great leaders have had one characteristic in common: it was the willingness to confront unequivocally the major anxiety of their people in their time. This, and not much else, is the essence of leadership. – John Kenneth Galbraith

The little may contrast with the great, in painting, but cannot be said to be contrary to it. Oppositions of colors contrast but there are also colors contrary to each other, that is, which produce an ill effect because they shock the eye when brought very near it. – Voltaire