“WaiWai was an essential guide to Japanese attitudes and editorial directives.”

Poemː God
Reported in Josiah Hotchkiss Gilbert, Dictionary of Burning Words of Brilliant Writers (1895), p. 283.

Source: How Europe Underdeveloped Africa (1972), p. 214.

That often leaves out too much. In numerous contexts, it is both more precise and more fully explanatory to say that there is something we care about.
The Reasons of Love (2004)

p, 125
Number: The Language of Science (1930)

Che cosa se ne farebbe il Senato di me, di un legislatore inesperto cui manca la facoltà d'ingannare sé stesso, questo requisito essenziale per chi voglia guidare gli altri?
Page 148
Il Gattopardo (1958)

9. The Inside and the Outside
Complexity and Contradiction in Architecture (1966)

Source: The Meaning of a Liberal Education (1926), p. 181

1963, American University speech
Context: Some say that it is useless to speak of world peace or world law or world disarmament — and that it will be useless until the leaders of the Soviet Union adopt a more enlightened attitude. I hope they do. I believe we can help them do it. But I also believe that we must reexamine our own attitude — as individuals and as a Nation — for our attitude is as essential as theirs. And every graduate of this school, every thoughtful citizen who despairs of war and wishes to bring peace, should begin by looking inward — by examining his own attitude toward the possibilities of peace, toward the Soviet Union, toward the course of the cold war and toward freedom and peace here at home.