“There is no certainty; there is only adventure.”
“The detour to ideality leads to coinciding with oneself, that is, to certainty, which remains the guide and guarantee of the whole spiritual adventure of being.”
The Levinas reader by Levinas, Emmanuel p. 89
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Emmanuel Levinas 11
French philosopher 1906–1995Related quotes

“There are ideal series of events which run parallel with the real ones. They rarely coincide.”
As quoted in "The Mystery Of Marie Rogêt" (1842) by Edgar Allan Poe, adapted from Fragments from German Prose Writers (1841) by Sarah Austin
Context: There are ideal series of events which run parallel with the real ones. They rarely coincide. Men and circumstances generally modify the ideal train of events, so that it seems imperfect, and its consequences are equally imperfect. Thus with the Reformation; instead of Protestantism came Lutheranism.
The Divine Commodity: Discovering A Faith Beyond Consumer Christianity (2009, Zondervan)

“Coincidence is God's way of remaining anonymous.”
The source generally (but falsely) cited is Einstein's The World As I See It http://en.wikipedia.org/wiki/The_World_as_I_See_It_(book) (1949). The quotation is probably a translation of "Der Zufall ist das Pseudonym, das der liebe Gott wählt, wenn er inkognito bleiben will" (attributed to Albert Schweitzer).
Disputed
“Coincidence is God's way of remaining anonymous.”
Director's commentary for Dragonfly.

Source: Evolution and Theology (1900), p. 19.

We can only be glad there is no daylight loan time, or we would face decades of too much daylight, only to be faced with a few years of total darkness to make up for it.
The Long, Painful History of Time http://naggum.no/lugm-time.html.