All that we don't know is astonishing. Even more astonishing is what passes for knowing. Philip Roth
We know very little, and yet it is astonishing that we know so much, and still more astonishing that so little knowledge can give us so much power. Bertrand Russell
The might which kills outright is an elementary and coarse form of might. How much more varied in its devices; how much more astonishing in its effects is that other which does not kill; or which delays killing. Simone Weil
The uniformity of the earth's life, more astonishing than its diversity, is accountable by the high probability that we derived, originally, from some single cell, fertilized in a bolt of lightning as the earth cooled. Lewis Thomas