Matsyapurana 176.29

176.29

sa hi yuddhagataḥ śrīmānīśāno'śma vyakampata.
sahiṣṇutvājjagatsvāmī na cukrodha gadādharaḥ .. 176.29 ..

That demon waved the rocks over Lord Viṣṇu, but the latter shewed His perseverance and did not show the least anger. The Lord like the clouds that bank up at the time of the annihilation of the universe, kept on looking at the conflict, in the expectation of the befitting hour, when to hit the demons.—29-30.