The minerals we extract today must serve the needs of future generations as well.
生活是花朵,爱情是花蜜。
You are never too old to set another goal or to dream a new dream.
大多数人的问题在于他们用希望、恐惧或愿望思考,而不是用头脑。
The concept of truth is inseparable from the concept of freedom.