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I don't need a reason to be happy. I choose to be.

We must be vigilant and resolutely fight against all enemies, both internal and external.

寫作的藝術就是發現你所相信之物的藝術。

Quality is remembered long after price is forgotten.

我們實現明天的唯一限制將是我們今天的疑慮。

Life lessons will be presented to you in the order they are needed. Everything you need to master the lesson is within you. Once you have truly learned a lesson， you will be presented with the next one. If you are alive， that means you still have lessons to learn.

理解生命的機制就像解開宇宙最大的謎團。

A strong company is built on a foundation of shared values and mutual respect.

拓撲絕緣體是理論預測如何導致實驗發現并重塑我們對物理世界理解的一個典型例子。