The brain is like a muscle. When it is in use we feel very good. Understanding is joyous.
我知道有一颗星球上住着一位脸色绯红的先生。他从来没有闻过一朵花,从来没有见过一颗星星,从来没有爱过任何人。他除了做加法以外,没有干过别的事,他整天像你一样,老重复说:我是一个严肃认真的人,我是一个严肃认真的人!
I don't think you should ever have to apologize for your excitement.
Quality is conformance to requirements, not goodness.