History has the relation to truth that theology has to religion — ie., none to speak of
Time Enough for LoveIf you've got the truth you can demonstrate it. Talking doesn't prove it.
Stranger in a Strange LandThere's no need to talk about it, because the truth of what one says lies in what one does.
The ReaderLong years must pass before the truths we have made for ourselves become our very flesh.
Paul Valery