אֱֽלֹהִ֗ים לִמַּדְתַּ֥נִי מִנְּעוּרָ֑י וְעַד־הֵ֝֗נָּה אַגִּ֥יד נִפְלְאוֹתֶֽיךָ׃
O God, Thou hast taught me from my youth; And until now do I declare Thy wondrous works.
Read kabbalistic (mystical) interpretation of Psalms 71:17: and classical mystical sources.