因果视角是解开宇宙之谜的关键。
The causal perspective is the key to unlocking the mysteries of the universe.
Faith in a holy cause is to a considerable extent a substitute for the lost faith in ourselves.
不管先人是多么富贵，一个败家子就足以损坏门楣。
The photograph is the most perfect picture.
The most effective way to promote democracy is not through military intervention but through the slow and steady process of building institutions and promoting economic development.