It's so much darker when a light goes out than it would have been if it had never shone.

发现的旅程不是一条直路，而是一条充满惊喜和启示的曲折道路。

The true measure of a company's success is its ability to adapt and thrive in the face of adversity.

引力解释了行星的运动，但它不能解释谁让行星运动。