The pursuit of power is the primary goal of all great powers, and this pursuit often leads to conflict.

心理学理论的价值是由其实用性衡量的。

Don't think about starting. Just start.

确实，天才的天赋和他的人类品质有时会差异如此巨大，人们不得不怀疑天赋平庸点也许是件好事。