你们要做愤世嫉俗者,还是踏实的建设者?
The voice is an instrument that is inside you. It’s the only instrument that you can’t see.
The only thing that I can say is I try my best in every moment.
数学的快乐来自创造的行为,而不仅仅是结果。
The ethical implications of genetic modification must be carefully considered.