"We'd said we'd keep in touch. But touch is not something you can keep; as soon as it's gone, it's gone. We should have said we'd keep in words, because they are all we can string between us--words on a telephone line, words appearing on a screen."

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It is certainly not the least charm of a theory that it is refutable; it is precisely thereby that it attracts the more subtle minds. It seems that the hundred-times-refuted theory of the "free will" owes its persistence to this charm alone; some one is always appearing who feels himself strong enough to refute it.

— Friedrich Nietzsche