“ You don't understand anything until you learn it more than one way. 只有通过不止一种方法,你才能理解任何事情。 Marvin Lee Minsky 马文·李明斯基
“ Whoever, in the pursuit of science, seeks after immediate practical utility may rest assured that he seeks in vain. 谁在追求科学的过程中,追求直接的实际效用,谁就可以放心,他的追求是徒劳的。 Hermann von Helmholtz 亥姆霍兹
“ A good book will pull you in from the beginning and take you on a journey you'll never forget. 一本好书会从一开始就吸引你,带你踏上永生难忘的旅程。 Lauren Hammond 劳伦·哈蒙德