Kautilya's Arthashastra 5.4.14

5.4.14

anarthyāś ca priyā dṛṣṭāś cittajñānānuvartinaḥ /
abhihāsyeṣv abhihased ghorahāsāṃś ca varjayet //E

He may even keep silence, but. should never describe what is hateful; by abstaining from talking of what the king hates, even undesirable persons have become powerful when, seeing that the king likes only pleasant things without caring for their evil consequences, they have followed his will.

While laughing in jest, he should avoid loud laughter; he shall avoid evil aspersions against others, nor ascribe evil to others; he shall forgive evil done to himself and have as much forbearance as the earth.