爱的意义是爱那些不可爱的;宽恕的意义是宽恕那些不可宽恕的;信仰的意义是信仰那些不可置信的;希望的意义是当一切看上去毫无希望的时候仍心有希望。
如果你在写作时不享受,读者也不会享受阅读。
The interplay between discrete and continuous mathematics is where some of the most interesting problems lie.
The only real beauty is the beauty of the soul.