“It would be the greatest disaster which could befall our House if any untoward accident befall you, which may God avert! Do not hesitate to open letters addressed to me. Your love for me and the absolute confidence between us make me feel that I cannot have any secrets from you.”
William talking to his brother John, as quoted in William the Silent (1897) by Frederic Harrison p. 54
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William the Silent 33
stadtholder of Holland, Zeeland and Utrecht, leader of the … 1533–1584Related quotes

“Monotheism is easily the greatest disaster to befall the human race.”
Appendix
1980s, At Home (1988)
Context: I regard monotheism as the greatest disaster ever to befall the human race. I see no good in Judaism, Christianity, or Islam — good people, yes, but any religion based on a single... well, frenzied and virulent god, is not as useful to the human race as, say, Confucianism, which is not a religion but an ethical and educational system that has worked pretty well for twenty-five hundred years. So you see I am ecumenical in my dislike for the Book. But like it or not, the Book is there; and because of it people die; and the world is in danger.

Chapter 1, Jesus Rediscovered (1969)

Letter to Lord Russell of Liverpool, February 18, 1959
1950s

To his first wife while she was dying (1558), as quoted William the Silent (1897) by Frederic Harrison, p. 28

1810s, Letter to Robert J. Evans (1819)

Samuel Johnson, letter to James Macpherson (20 January 1775), quoted in James Boswell Life of Johnson, Vol. I (1791), p. 449.
Criticism

Prophet Muhammad
Replied to Al-Hurr ibn Yazid Al-Tamimi, History of the Prophets and Kings, Vol. 19, p. 97
Regarding the Advent of Karbalā