森林是一位老师，只要我们愿意学习。
You must be the change you wish to see in the world.
The end of the battle of El Alamein is not war, not even the beginning of the war period ended, and may be the end of the war period.
The world is a mirror, and we see in it what we are.
可持续发展不是一种选择；它是能源未来的必要条件。
The only thing that matters is what you believe in yourself.
The surest way to tame a prisoner is to let him believe he’s free.