在了解物理力、它们的规律及相互关系之后，接下来是它们起源的问题。
You have to be willing to sacrifice what you are for what you will become.
"Mental life is a continuous adjustment to the environment."
The best solutions often come from listening to those who work the land.
做伟大工作的唯一方式就是热爱你所做的事。
Empowering individuals with their genetic information is the first step towards a healthier society.
让个人掌握他们的遗传信息是迈向更健康社会的第一步。
了解穷人的真实生活是设计有效政策帮助他们第一步。
"The more you try to control the shadow, the more it controls you."