A proof of a proposition is a process the nature of which is such as to produce in us a belief in that proposition.

效率是把事情做对，效果是做对的事情。

邪恶获胜的唯一必要条件是好人袖手旁观。

The most damaging phrase in the language is: 'It's always been done this way.'

You have to have confidence in your ability, and then be tough enough to follow through.

【释义】抓住时机不要懈怠，因为机会一旦错过就不会再来。

The entrepreneur always searches for change, responds to it, and exploits it as an opportunity.