“It was the rule of Holt, Chief Justice, to make words actionable whenever they sound to the disreputation of the person of whom they were spoken; and this was also Hale's and Twieden's rule; and I think it a very good rule.”

Source: Aphorisms and Reflections (1901), p. 103

Source: Falling Upward: A Spirituality for the Two Halves of Life

"Thirty-two Statements About Writing Poetry" http://www.coppercanyonpress.org/400_opportunities/430_gettingpub/bell.cfm, statement # 5, The Writer's Chronicle, Commemorative Issue (Copper Canyon Press, 2002).

2018, Report submitted to the UN Human Rights Council

"The Palace of the End" (2003)
Context: There are two rules of war that have not yet been invalidated by the new world order. The first rule is that the belligerent nation must be fairly sure that its actions will make things better; the second rule is that the belligerent nation must be more or less certain that its actions won't make things worse. America could perhaps claim to be satisfying the first rule (while admitting that the improvement may be only local and short term). It cannot begin to satisfy the second.

De Ira (On Anger): Book 2, cap. 15, line 4
Compare with the following : No man ruleth safely but that he is willingly ruled.
From The Imitation of Christ, Liber I, cap. 20 (Of the Love of Solitude and Silence), line 2 : by Thomas à Kempis (1380-1471).
Moral Essays

The Notebooks of Leonardo da Vinci (1883), I Prolegomena and General Introduction to the Book on Painting

Even a ten or fifteen minute nap in the middle of the day can be the equivalent of an hour and a half of extra sleep the night before, and it can raise your effective IQ by ten points.
Talks at Google (Oct 28, 2014)