没有事实，只有解释。
There are no facts， only interpretations.
化学中的每一个发现都是向自然真理迈进的一步。
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.
唯一真实的是当下这一刻。