There is certainly some chill and arid knowledge to be found upon the summits of formal and laborious science; but it is all round about you, and for the trouble of looking, that you will acquire the warm and palpitating facts of life.

严谨而费力的科学高峰上，固然有些冷峻干涩的知识；但生活中温暖而跃动的真实，就在你四周，只须用心看一看便能获得。