כִּֽי־הָיִ֣יתָ מַחְסֶ֣ה לִ֑י מִגְדַּל־עֹ֝֗ז מִפְּנֵ֥י אוֹיֵֽב׃
Sapagkat ikaw ay naging kanlungan ko, isang matibay na tore laban sa kaaway.
Malbim
Each adopts a specific philosophical system upon which he takes up his position; as in a fortress; (Psalms 61:4) counter attacking with great courage (Isaiah 28:6) with all available ammunition (Job 36:19).