The test of a first-rate intelligence is the ability to hold two opposed ideas in the mind at the same time, and still retain the ability to function.
积极心理学不是一种奢侈品；它是美好生活的必需品。
The best investment is in yourself.
关于神，我无法知道他们是否存在或他们是什么样的，因为这个问题太晦涩，而人的生命又太短暂。
Every mathematical theorem is a story, a narrative that unfolds through logic and reason, leading to a deeper understanding of the world.