Plotinos: Complete Works, v. 1 In Chronological Order,...

We must still ascend to the Good to which every soul aspires. Whoever has seen it knows what I still have to say, and knows the beauty of the Good. Indeed, the Good is desirable for its own sake; it is the goal of our desires. To attain it, we have to ascend to the higher regions, turn towards them, and lay aside the garment which we put on when descending here below; just as, in the (Eleusynian, or Isiac) mysteries, those who are admitted to penetrate into the recesses of the sanctuary, after having purified themselves, lay aside every garment, and advance stark naked.