The causal perspective is the key to unlocking the mysteries of the universe.

历史的地理枢纽是世界上那些海权无法触及但却是陆权天然堡垒的区域。

领导力就是做出艰难的决定并坚持到底。

The best investments are those that benefit both people and the planet.

I do not much like to take the tone of a moralist.

如果你想读一本书，但它还没有被写出来，那么你必须写出来。