要知道药物的产地源头，只在西南方向是根本所在。

The future of life on Earth depends on our ability to take action. Many individuals are doing what they can, but real success can only come if there is a change in our societies and our economics and in our politics.

建筑师的任务是使不可见的东西变得可见。

"Sometimes, the only way to stay alive is to keep moving."

追求真理是人生的崇高目标。