Life is a series of choices, and the hardest ones are the ones that matter.
人生是一系列的选择，而最难的那些才是最重要的。
"In the end, we are all just stories. Make yours worth telling."
The typewriting machine, when played with expression, is not more annoying than the piano when played by a sister or near relations.
The more we learn about the universe, the more we realize how much we don't know.
我的科学研究给我带来了极大的满足；我深信，用不了多久，全世界都会承认我的工作成果。