A good abstraction is one that emphasizes the important details and suppresses the unimportant ones.

对于企业而言，糟糕的运作加上混乱的管理，结果常常是一笔糊涂帐。

Sometimes we get sad about things and we don’t like to tell other people that we are sad about them. We like to keep it a secret. Or sometimes, we are sad but we really don’t know why we are sad, so we say we aren’t sad but we really are.

庭院里栽种的竹子可以引来凤凰栖息，池中所养的鱼可化为蛟龙。