“Judge a man by his questions rather than by his answers.”
Il est encore plus facile de juger de l'esprit d'un homme par ses questions que par ses réponses. (It is easier to judge the mind of a man by his questions rather than his answers) — Pierre-Marc-Gaston, duc de Lévis (1764-1830), Maximes et réflexions sur différents sujets de morale et de politique (Paris, 1808): Maxim xviii
Misattributed
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Voltaire 167
French writer, historian, and philosopher 1694–1778Related quotes

Source: By Art Koroma, from page 256 of Holy Axiom Truth Exposed... the Bible Is a Myth (2014) note: It appears President Barack Obama started this misattribution. I can find no reference to this quote on the Internet prior to his May 15, 2016 commencement address at Rutgers State University. https://obamawhitehouse.archives.gov/the-press-office/2016/05/15/remarks-president-commencement-address-rutgers-state-university-new

Cited in: Michael J. Gelb (1996) Thinking for a change: discovering the power to create, communicate and lead. p. 96

“The question was put to him, what hope is; and his answer was, "The dream of a waking man."”
Aristotle, 9.
The Lives and Opinions of Eminent Philosophers (c. 200 A.D.), Book 5: The Peripatetics

Quoted in an article, "Why Is There Something Rather Than Nothing?" http://www.csicop.org/sb/show/why_is_there_something_rather_than_nothing, by Victor Stenger (June 2006).

Source: What is Property? (1840), Ch. I: "Method Pursued in this Work. The Idea of a Revolution"
Context: If I were asked to answer the following question: What is slavery? and I should answer in one word, It is murder, my meaning would be understood at once. No extended argument would be required to show that the power to take from a man his thought, his will, his personality, is a power of life and death; and that to enslave a man is to kill him. Why, then, to this other question: What is property! may I not likewise answer, It is robbery, without the certainty of being misunderstood; the second proposition being no other than a transformation of the first?
I undertake to discuss the vital principle of our government and our institutions, property: I am in my right. I may be mistaken in the conclusion which shall result from my investigations: I am in my right. I think best to place the last thought of my book first: still am I in my right.

Source: Short fiction, King Dragon (2003), p. 6

Ornamenta Rationalia http://books.google.com/books?id=VHNUAAAAYAAJ&q="He+that+defers+his+charity+'till+he+is+dead+is+if+a+man+weighs+it"+"rather+liberal+of+another+man's+than+of+his+own"&pg=PA298#v=onepage #55