自然界的现象,无论是机械的、化学的还是生命的,几乎完全在于通过空间、活力和热之间的持续相互转化。
We are all time travelers, moving at the speed of exactly 60 minutes per hour.
自由是心灵的状态,获取它的最好方式是培育它。
The interplay between theory and observation is what advances astrophysics.
拥有而不需要,总比需要而没有好。
Man's survival, from the time of Adam and Eve until the invention of agriculture, must have been precarious because of his inability to ensure his food supply.