不登上高山,就不知道天是多么高远;不亲临深溪,就不知道地是多么深厚。
我们不能借着肉贩,啤酒商或面包师的善行而获得晚餐,而是源于他们对自身利益的看重。
The truth is, the science of Nature has been already too long made only a work of the brain and the fancy: It is now high time that it should return to the plainness and soundness of observations on material and obvious things.
【译文】 孔子说:“理想无法实现了,我准备乘筏漂到海上。会跟我走的,只有子路吧?”