yady asatyaḿ vacaḥ śambhoḥ
kathañcid dānavarṣabha
tadainaḿ jahy asad-vācaḿ
na yad vaktānṛtaḿ punaḥ
yadi -- if; asatyam -- untrue; vacah -- the words; sambhoh -- of Lord Siva; kathancit -- in any way; danava-rishabha -- O best of the demons; tada -- then; enam -- him; jahi -- please kill; asat -- untrue; vacam -- whose words; na -- not; yat -- so that; vakta -- he may speak; anritam -- what is false; punah -- again.
If the words of Lord Sambhu prove untrue in any way, O best of the demons, then kill the liar so he may never lie again.
Lord Siva may have the power to revive himself even after being killed, but at least he will be dissuaded from lying again.
