The solution of a problem appears suddenly and is not approached by a gradual, step-by-step procedure.
问题的解决是突然出现的,而不是通过逐步、一步一步的过程来接近的。
We must balance short-term demands with long-term sustainability.
世界始于人类之前,也必将终于人类之后。
Evolution is the most beautiful thing in the world.
Life lies not in living but in liking.