Mocked by an enemy (Hiranyaksa) whose vanity knew no bounds, the worshipful lord of the waters (Varuna) waxed angry, but by dint of his reason he managed to curb the anger that had sprung up in him

Expressions researched:
"mocked by an enemy whose vanity knew no bounds, the worshipful lord of the waters waxed angry, but by dint of his reason he managed to curb the anger that had sprung up in him, and he replied"

SB Canto 3

Thus mocked by an enemy whose vanity knew no bounds, the worshipful lord of the waters waxed angry, but by dint of his reason he managed to curb the anger that had sprung up in him, and he replied: O dear one, we have now desisted from warfare, having grown too old for combat.

SB 3.17.29, Translation and Purport:

Thus mocked by an enemy whose vanity knew no bounds, the worshipful lord of the waters waxed angry, but by dint of his reason he managed to curb the anger that had sprung up in him, and he replied: O dear one, we have now desisted from warfare, having grown too old for combat.

As we see, warmongering materialists always create fighting without reason.