The doer of good rejoices here and hereafter; he rejoices in both worlds. He rejoices and exults, recollecting his own pure deeds.

The mirror of verse 15. The doer of good is not rewarded by an external system; she is sustained by her own backward glance. The Buddha is consistent: the consequence of the act lives inside the actor's relationship to the act. Heaven and hell, in these verses, are not destinations but conditions of memory. The teaching is simple and difficult: do the work that you will be able to recall without flinching.