The search for contentment is, therefore, not merely a self-preserving and self-benefiting act, but also a generous gift to the world.

因此，追寻满足不仅是自保与自利的行为，也是献给世界的厚礼。

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The issues surroudning altruism include the following. Given the self-preserving tendency of human nature, how are we to account for the existence of altruism?

下面是利他主义引起的一些争论：如果说人性中有自我保护的倾向，那么我们又该怎样解释利他主义的存在呢？

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Lying is a common strategy children invoke to resist maternal inflexibility. They see it as a way of preserving their real self, without engaging in useless fights.

说谎是儿童用来对抗母亲固执的共同策略，是儿女用它在不必与母亲吵架而保留真正自我的一种方法。

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