הֱיֵ֤ה לִ֨י ׀ לְצ֥וּר מָע֡וֹן לָב֗וֹא תָּמִ֗יד צִוִּ֥יתָ לְהוֹשִׁיעֵ֑נִי כִּֽי־סַלְעִ֖י וּמְצוּדָתִ֣י אָֽתָּה׃
Be Thou to me a sheltering rock, whereunto I may continually resort, Which Thou hast appointed to save me; For Thou art my rock and my fortress.
Rashi on Psalms
in which to enter continually into that shelter, to save myself within it from the pursuer.
Rashi on Psalms
You commanded to save me You saved me many times through Your messengers.