Source: Darwin, God and the Meaning of Life: How Evolutionary Theory Undermines Everything You Think You Know (2010), p. 1
“The most important question a human being has to face… What is it? The question, Why are we here?”
"“Why Are We Here?”, in The Watchtower (2006) http://wol.jw.org/en/wol/d/r1/lp-e/2006768?q=Elie+Wiesel&p=par
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Elie Wiesel 155
writer, professor, political activist, Nobel Laureate, and … 1928–2016Related quotes

Buffalo Rising interview (2007)
Context: Even when someone from the lower financial caste in, say America, "makes it," then there is this other barrier of old money vs. new money, social status, respected family names vs. unsavory familial relations or even ethnic background that makes the entire journey of achievement suddenly turn sour and seemingly not have been worth the while.
My question here is why do we humans keep doing this to each other or to ourselves? Why do we think so little about the role of humanity and of kindness? In my opinion, if we believe in a higher being, there is only one God and he/she is neither you nor me. The sooner we begin this process of healing as people, all people, the sooner we can begin to live a mutual life free from innuendo, hurt, judgment and need.

Cosmos: A Personal Voyage (1990 Update), "The Edge of Forever" [Episode 10]
Context: But we don't yet know whether the Universe is open or closed. More than that, there are a few astronomers who doubt that the redshift of distant galaxies is due to the doppler effect, who are skeptical of the expanding Universe and the Big Bang. Perhaps our descendants will regard our present ignorance with as much sympathy as we feel to the ancients for not knowing the Earth went around the Sun. If the general picture, however, of a Big Bang followed by an expanding Universe is correct, what happened before that? Was the Universe devoid of all matter and then the matter suddenly somehow created, how did that happen? In many cultures, the customary answer is that a God or Gods created the Universe out of nothing. But if we wish to pursue this question courageously, we must of course ask the next question: where did God come from? If we decide that this is an unanswerable question, why not save a step and conclude that the origin of the Universe is an unanswerable question? Or, if we say that God always existed, why not save a step, and conclude that the Universe always existed? That there's no need for a creation, it was always here. These are not easy questions. Cosmology brings us face to face with the deepest mysteries, questions that were once treated only in religion and myth.

“More important, from this total questioning of what has previously been unquestioned, we learn.”
Tragedy and the Common Man (1949)
Context: Only the passive, only those who accept their lot without active retaliation, are "flawless." Most of us are in that category.
But there are among us today, as there always have been, those who act against the scheme of things that degrades them, and in the process of action everything we have accepted out of fear of insensitivity or ignorance is shaken before us and examined, and from this total onslaught by an individual against the seemingly stable cosmos surrounding us — from this total examination of the "unchangeable" environment — comes the terror and the fear that is classically associated with tragedy. More important, from this total questioning of what has previously been unquestioned, we learn.

Source: Liberalism (1911), Chapter IX, The Future Of Liberalism, p. 117.

WOL http://wol.jw.org/en/wol/d/r1/lp-e/102002402?q=collins&p=par

“And what greater might do we possess as human beings than our capacity to question and to learn?”