We take just one vow, to safeguard the welfare and happiness of all our children.
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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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.