天然气将发挥关键的桥梁作用，但它不能是最终目的地。
Natural gas will play a crucial bridging role, but it cannot be the final destination.
The greatest stories are those that transcend time.
One must be a god to be able to tell successes from failures without making a mistake.
失去一个父母可能被视为不幸；失去两个则像是疏忽。
The most important thing in science is not to solve problems, but to ask the right questions.
The only thing I can rely on is my own perception and that is always changing.