The discovery of DNA structure was like unraveling a very complex puzzle.
地球是广阔宇宙舞台上一个非常小的舞台。
"We are all apprentices in a craft where no one ever becomes a master."
我不害怕冒险。我认为这就是生活的意义。
可持续性不是一种选择;它是我们星球未来的必需品。