I have come to believe that a great teacher is a great artist and that there are as few as there are any other great artists. Teaching might even be the greatest of the arts since the medium is the human mind and spirit.

阅读和解释遗传密码的能力彻底改变了我们对医学和遗传学的方法。

Shopping is arguably the last remaining form of public activity.

我相信自爱的力量。