The concept of probably approximately correct (PAC) learning has been foundational in computational learning theory.
人生最重要的事是停止说“我希望”,开始说“我会”。
The past is not dead. It is not even past.
艺术家必须像上帝在创造中一样存在于他的作品中,无形而全能;人们必须处处感受到他,但永远看不到他。
The soul is a fire that darts its rays through all the senses; it is in this fire that existence consists.