进步主要取决于人类本性中最强大而不仅仅是最高尚的力量能在多大程度上被用来增加社会福祉。
在爱情中我们都是傻瓜。
The ethical implications of genetic modification must be carefully considered.
Your work is going to fill a large part of your life, and the only way to be truly satisfied is to do what you believe is great work.