अभिहास्येष्वभिहसेद्घोरहासांश्च वर्जयेत् ॥ कZ_०५.४.१४च्द् ॥
abhihāsyeṣv abhihased ghora-hāsāṃś ca varjayet
One may laugh at what is appropriately laughable, but one should avoid harsh or excessive laughter.
Because tone and display are interpreted as loyalty, contempt, or instability; uncontrolled humor can offend, reveal bias, or invite suspicion.