שְׁלַח־אוֹרְךָ֣ וַ֭אֲמִתְּךָ הֵ֣מָּה יַנְח֑וּנִי יְבִיא֥וּנִי אֶל־הַֽר־קָ֝דְשְׁךָ֗ וְאֶל־מִשְׁכְּנוֹתֶֽיךָ׃
שיק דײַן ליכט און דײַן אמת, זײ זאָלן מיך פֿירן;זײ זאָלן מיך ברענגען צו דײַן הײליקן באַרג, און צו די װױנונגען דײַנע.
Ba'al Shem Tov
It can happen that one is praying on a lowly level, and suddenly in a flash their soul is illuminated and rises to upper worlds, like a person ascending a ladder, as it is written (Psalms 43:3) "Send forth Your light and Your truth, they shall guide me," - referring to the supernal illumination.