SB 10.4.37

tathāpi devāḥ sāpatnyān
 nopekṣyā iti manmahe
tatas tan-mūla-khanane
 niyuṅkṣvāsmān anuvratān
Synonyms: 
tathā api — still; devāḥ — the demigods; sāpatnyāt — due to enmity; na upekṣyāḥ — should not be neglected; iti manmahe — this is our opinion; tataḥ — therefore; tat-mūla-khanane — to uproot them completely; niyuṅkṣva — engage; asmān — us; anuvratān — who are ready to follow you.
Translation: 
Nonetheless, because of their enmity, our opinion is that the demigods should not be neglected. Therefore, to uproot them completely, engage us in fighting with them, for we are ready to follow you.
Purport: 

According to moral instructions, one should not neglect to extinguish fire completely, treat diseases completely, and clear debts completely. Otherwise they will increase and later be difficult to stop. Therefore the ministers advised Kaṁsa to uproot his enemies completely.