Perhaps this sentence

Confucius said: "What you say must be true, and what you do must be resounding. You are such a villain! You can also be inferior." - "Zi Lu Chapter" 》

(Translation) Confucius said: "What you say must be fulfilled, and what you do must be decisive. This is a stubborn villain (who doesn't know how to adapt)! But he can also be regarded as a first-class scholar."< /p>

It means that sometimes there is no need to be honest.