31 And the ways of finding eternal life are many, though I have passed over them by reason of their number. For the Lord in His loving-kindness has opened, not one or two only, but many doors, by which to enter into the life eternal, that, as far as lay in Him, all might enjoy it without hindrance. Thus much have we for the present spoken within compass concerning the life eternal, which is the last doctrine of those professed in the Faith, and its termination; which life may we all, both teachers and hearers, by God's grace enjoy!
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Source: Catechetical Lectures (New Advent)