ט֣וֹב יְהוָ֔ה לְמָע֖וֹז בְּי֣וֹם צָרָ֑ה וְיֹדֵ֖עַ חֹ֥סֵי בֽוֹ׃
גוט איז ה׳, פֿאַר אַ פֿעסטונג אין טאָג פֿון נױט; און ער װײס די װאָס שיצן זיך אין אים.
Rashi
The Lord is good yea, a stronghold—Even when he inflicts retribution upon His enemies, His mercies do not cease to do good to those who fear Him. [This ability is] unlike the trait of [a man of] flesh and blood, who, when he is busy with one thing, is not free to [simultaneously] do another thing, as the matter is stated (Exod. 15:3): “The Lord is a man of war; the Lord is His Name.” [This is] as it is stated in Mechilta (ad loc.)