"The true test of anyone's worth as a living creature is how much he can utilize what he has."

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And there is no living creature, though the whims of eons had put its eyes on boggling stalks and clamped it in a carapace, diminished it to a pinpoint and given it a taste for mud and stuck it down a well or hid it under a stone, but that creature will live on if it can.

— Marilynne Robinson