【译文】 孔子说：“我十五岁立志于学习，三十岁有所建树，四十岁不困惑，五十理解自然规律，六十明辨是非，七十随心所欲，不违规。”

【译文】 孔子说：“对于不仁的人，礼法有何用？音乐有何用？”

Leadership is about making the tough decisions when they matter the most.

Quality is free. It's not a gift, but it's free. What costs money are the unquality things -- all the actions that involve not doing jobs right the first time.

有机催化剂的美在于它们的多样性和适应性。

文学是语言的艺术，而语言是沟通的艺术。