I know of no religion or sect that has done or is doing without a house of God, variously described as a temple, a mosque, a church, a synagogue or agiary.
We must like Moses cover ourselves with faith and humility while we steal a quick look at the God whom no man can see and live. The broken and the contrite heart He will not despise. We must hide our unholiness in the wounds of Christ as Moses hid himself in the cleft of the rock while the glory of God passed by. We must take refuge from God in God.
Since everything emanates from God, he is the embodied principle in every being. Each one of us is made from God. Tat twam asi - "You are That One" who is eternally blissful, that one principle manifesting itself as this variety of Creation.