【释义】：遵循礼的准则，不随意议论他人，不吝啬自己的付出。

The only way to tell the truth is to speak with authority, and the only way to speak with authority is to claim the right to tell the truth.

"Human behavior is the product of evolved psychological mechanisms that process information from the environment."

质量不是一种行为，而是一种习惯。