“ The scientific imagination always restrains itself within the limits of probability. 科学想象总是在概率的范围内进行自我约束。 Thomas Henry Huxley 赫胥黎
“ No gentleman can be without three copies of a book: one for show, one for use, and one for borrowers. 任何一位绅士都离不开三本书:一本供展示,一本供使用,一本供借阅。 Richard Heber 理查德·赫伯