我们正处于历史上一个独特的阶段。我们从未如此清楚地意识到我们对地球所做的一切，也从未有过能力对此采取行动。
We are at a unique stage in our history. Never before have we had such an awareness of what we are doing to the planet, and never before have we had the power to do something about it.
The sculptor must search with passionate intensity for the hidden significance of life.
一个国家真正的财富在于它的自然资本。
教育不是注满一桶水，而是点燃一把火。
"The world is a stage, but the play is badly cast."
The search for a theory of everything is one of the most exciting and challenging quests in modern physics.
