More quotes by Robert A. Heinlein
Love is the condition in which the happiness of another person is essential to your own.
A generation which ignores history has no past —and no future.
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What constitutes the bulwark of our own liberty and independence?
Science and religion are two human enterprises sharing many features.
Attribution
Quote text and notes from Wikiquote: Robert A. Heinlein (page history), available under CC BY-SA 4.0. Source quality and labels are our own summary of what Wikiquote records.