"It is a fair adornment of a man and a great convenience both to himself and to all those with whom he converses and deals, to act uprightly, uniformly, and consistently. The practice of piety frees a man from interior distraction and from irresolution in his mind, from duplicity or inconstancy in his character, and from confusion in his proceedings, and consequently securing for others freedom from deception and disappointment in their transactions with him."

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All societies are based on rules to protect pregnant women and young children. All else is surplusage, excrescence, adornment, luxury, or folly which can - and must - be dumped in emergency to preserve this prime function. As racial survival is the only universal morality, no other basic is possible. Attempts to formulate a "perfect society" on any foundation other than "Women and children first!" is not only witless, it is automatically genocidal. Nevertheless, starry-eyed idealists (all of them male) have tried endlessly - and no doubt will keep trying.

— Robert A. Heinlein