Man's freedom is his limitation.
一个公司的文化是由其领导者在无人注视时所做的决定定义的。
Writing is the only thing that, when I do it, I don't feel I should be doing something else.
善于学习的人,能够透彻地知道事情的道理;善于实践的人,能够把事情疑难之处弄清楚。