Not to be absolutely certain is, I think, one of the essential things in rationality.

There is much pleasure to be gained from useless knowledge.

Too little liberty brings stagnation, and too much brings chaos.

The most valuable things in life are not measured in monetary terms. The really important things are not houses and lands, stocks and bonds, automobiles and real state, but friendships, trust, confidence, empathy, mercy, love and faith.

The Mormons had a divine revelation in favour of polygamy, but under pressure from the United States Government they discovered that the revelation was not binding.

Berkeley retains the merit of having shown that the existence of matter is capable of being denied without absurdity.

In a Balkan country, not so many years ago, a party which had been beaten by a narrow margin in a general election retrieved its fortunes by shooting a sufficient number of the representatives of the other side to give it a majority. . . . Cromwell and Robespierre . . . acted likewise.