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.
顺从天意的政治是以义服人的政治,违反天意的政治是以力服人的政治。
有限的游戏是为了输赢。无限的游戏是为了让游戏继续。应该去寻找无限的游戏，因为它们会产出无限的收益。
