פֵּרַ֣שְׂתִּי יָדַ֣י אֵלֶ֑יךָ נַפְשִׁ֓י ׀ כְּאֶֽרֶץ־עֲיֵפָ֖ה לְךָ֣ סֶֽלָה׃
I spread forth my hands unto Thee; My soul [thirsteth] after Thee, as a weary land. Selah
Read kabbalistic (mystical) interpretation of Psalms 143:6: and classical mystical sources.