我曾经整天不吃饭,整夜不睡觉,去苦苦思索,结果没有益处,还不如去学习。
Success is not about being the biggest, but about making the biggest difference.
"Ein Buch zu schreiben ist wie eine Reise in ein unbekanntes Land."
"The only limit to our realization of tomorrow will be our doubts of today."