革命是通过人类进行的，但个人必须日复一日地锻造自己的革命精神。
The revolution is made through human beings, but individuals must forge their revolutionary spirit day by day.
We must balance the need for energy today with the imperative of protecting the planet for tomorrow.
我们必须平衡当今的能源需求与保护地球未来的必要性。
Don‘t cry because it is over， smile because it happened。
"To write is to bear witness."