All men are immortal， but those who are not educated are immortal in a lower and less enviable sense.

Fate and temperament are two names for the same concept.

企业家的功能是通过利用一项发明或更一般地说，通过利用一种未尝试的技术可能性来改革或彻底改变生产模式，以生产一种新商品或以新方式生产一种旧商品。