理解遗传密码为医学研究和生物技术开辟了新的途径。
Understanding the genetic code has opened up new avenues for medical research and biotechnology.
杀死他的父亲然后奖赏他的儿子,与吃他的儿子然后再奖赏他的父亲有什么不同呢? 
"Sometimes you have to lie. But to yourself you must always tell the truth."