The Lord created us to be separate from Himself, so that He could love us. He thus allows us to act contrary to His will -- to want what is evil and to believe what is false. When we accept the Lord, though -- by learning what's true and determining to live according to it -- we can let Him place inside us a love for what is good. That is our "inheritance.

533. Since nothing further is mentioned about Lamech apart from the fact that be beget sons and daughters, who are the conceptions and births of such a Church, there is no need to pause any longer over him. What these births, or sons and daughters, were, becomes clear from the Church, for the character of a Church determines that of its offspring. Both those Churches called Methuselah and Lamech breathed their last just before the flood.