What is the Purpose of Creation?
Man’s reality is built of deep, endless wisdom. Because the Lord created many great creatures, higher than high and higher yet, and all are needed in their positions, as nothing is superfluous, and all is based on the fundamental cornerstone that what the Creator desires of man’s work is for him to correct all of the deficiencies of creation and elevate himself, degree after degree, until he cleaves to His Blessed Divinity.
Hence, that sets aside all things that distance the Blessed and all in their proximity from Him, and draws all that nears Him and in their proximity, and all this is extremely profound and tremendous, and everything is bound to develop, under great circumstances, to attain the general wholeness.
– Ramchal, Da’at Te’vunot (Knowledge of Wisdom), Item 124.