You are too generous to trifle with me. If your feelings are still what they were last April, tell me so at once. My affections and wishes are unchanged, but one word from you will silence me on this subject forever.
The beauty of mathematics lies in its ability to simplify the complex.
人们对自己的遗传学了解得越多，就越能掌控自己的健康。
我不需要理由去坚强。
The key to success is persistence, persistence, and more persistence.