过去是跟随我们的影子，但前方的光才是引导我们的。
"The past is a shadow that follows us, but it is the light ahead that guides us."
One must not lose desires. They are mighty stimulants to creativeness, to love, and to long life.
"Science fiction is the literature of change."
能源的真实成本必须同时考虑其生产和遗留影响。
You can discover what your enemy fears most by observing the means he uses to frighten you.
I’ve learned that you have to be strong enough to stand alone, smart enough to know when you need help, and brave enough to ask for it.