The time of address, the time liability begins, and the time compliance occurs need not be identical. An instruction can be formulated, become binding under specified conditions, and be performed later.
This removes the objection that an eternal command must actually impose present responsibility on a nonexistent being who can neither hear nor act. The issue is the distinction between an attribute's relation and conditions governing its application.
Neither the addressee's action nor the created person is thereby made eternal. The command and its actual execution remain distinct.