Musar zu Tehillim 19:7

Also, from the Great Din, of which it is written (Malachi 3:19): "For, behold, the day is coming which will burn as an oven" — one who occupied himself with Torah is destined to be rescued, as we find in Midrash Tehillim: "In time to come, the Holy One Blessed be He will take the sun out of its case and judge [i.e., punish] with it the wicked, and heal with it the righteous, as it is written (Ibid. 20): 'And there shall shine for you, fearers of My name, the sun of charity with healing in its wings, etc.'" R. Yehoshua said: "The Holy One Blessed be He did charity with all who enter the world by not having placed it [the sun] in the first firmament. For if he had placed it there, there would be no shade for anyone under it, as it is written (Psalms 19:7): 'And there is no hiding from His sun.'" But in time to come, who is hidden from His sun? He who occupies himself with Torah, as it is written afterwards (Ibid. 8): 'The Torah of the L-rd is complete.'" And the verse (Malachi 3:19): "For, behold, the day is coming which will burn like an oven" is, likewise, followed by (Ibid. 22): "Remember the Torah of Moses, My servant."