Nature tends to produce constancy in all her works, but she does not always succeed.
大自然倾向于在她所有的作品中产生恒常性,但并不总是成功。
解释:市场早晨人满满的,晚上就空荡无人,这不是人们爱早市而恨晚市,而是想要买东西,所以早晨去,要买的东西晚上没有,所以离开。
宇宙是一个谜题,而化学是其中的一把钥匙。
Generations to come will scarcely believe that such a one as this walked the earth in flesh and blood.