我从不后悔生命中做过的任何事或任何选择，但我对那些没做过的事充满遗憾。
I don't regret anything I've ever done in my life, any choice that I've made. But I'm consumed with regret for the things I didn't do.
We must embrace change and lead the change, or we will be left behind.
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.
In the dance of particles and forces, we find the rhythm of the cosmos.
We’re here to put a dent in the universe.Otherwise why else even be here？
Ignoring isn’t the same as ignorance, you have to work at it.