Books are the quietest and most constant of friends; they are the most accessible and wisest of counselors, and the most patient of teachers.
书籍是最安静、最恒久的朋友；它们是最易接近、最睿智的顾问，也是最耐心的老师。
"Ein Buch zu schreiben ist wie eine Reise in ein unbekanntes Land."
文学的美在于它让我们在一生中活出千种生活。
Hard work beats talent when talent fails to work hard.
最好的投资是押注未来。
Man is least himself when he talks in his own person. Give him a mask, and he will tell you the truth.
追求数学知识是一场永无止境的冒险。