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。