We are all descendants of successful ancestors; failure left no progeny.

我们都是成功祖先的后代；失败者没有留下后代。

The past explains the present - that is the fundamental premise of evolutionary psychology.

过去解释现在——这是进化心理学的基本前提。

Our modern skulls house a Stone Age mind.

我们的现代头颅里装着一个石器时代的心智。

Violence is not random; it follows predictable patterns that reflect underlying evolutionary logic.

暴力不是随机的；它遵循可预测的模式，反映了潜在的进化逻辑。

Stepchildren are at greater risk because evolutionary pressures have shaped parental psychology to favor genetic offspring.

继子女面临更大风险，因为进化压力塑造了父母更偏爱自己基因后代的心理。

Jealousy is not a pathology; it's an evolved defense mechanism against threats to reproductive success.

嫉妒不是病态，而是一种进化出来的防御机制，用来对抗对繁殖成功的威胁。

Parental investment is the key to understanding sex differences in mating strategies.

亲代投资是理解两性交配策略差异的关键。

Men and women differ in their reproductive strategies because they have faced different adaptive problems throughout evolutionary history.

男性和女性在繁殖策略上有所不同，因为他们在整个进化历史中面临着不同的适应性问题。

The human mind is a set of information-processing machines that were designed by natural selection to solve adaptive problems faced by our hunter-gatherer ancestors.

人类心智是一套信息处理机器，由自然选择设计来解决我们狩猎采集祖先面临的适应性问题。

Natural selection has shaped our minds as well as our bodies.

自然选择塑造了我们的思想，也塑造了我们的身体。