Civilization as it is known today could not have evolved, nor can it survive, without an adequate food supply.
没有充足的食物供应,今天所知道的文明就不可能进化,也不可能生存。
在科学领域,每一个被回答的问题都会引出十几个等待探索的新问题。
Someone asked me what happiness is; I replied, not pursuing unnecessary things.