The only thing I'm sure of is that I know nothing.
心灵是一个不断变化的经验流。
We have a responsibility to future generations to leave the planet in better shape than we found it.
我们有责任为子孙后代留下一个比我们发现时更好的地球。
有时候旅程中最难的部分是相信你值得这次旅行。
Man is what he believes.
实现明天的唯一限制将是我们今天的疑虑。
Our mission is to completely replace the use of animals as food technology by 2035.