解释：君子所说的话，可靠而且有证据。

There are other reasons --There are other reasons why it's perhaps harder now to feel calm than ever before. One of these, and it's paradoxical, because it's linked to something that's rather nice, is the hope we all have for our careers. Never before have expectations been so high about what human beings can achieve with their life span.

人们生产生活资料的方式首先取决于他们发现并必须再生产的实际手段的性质。

The only thing that is under control is your effort.

解释：外表与内里应相符相称，即表里如一，名实相符。