'Perform' in the Bible

I have a duty to perform and a debt to pay both to Greeks and to barbarians [the cultured and the uncultured], both to the wise and to the foolish.

Furthermore, because they did not think it worthwhile to keep knowing God fully, God delivered them to degraded minds to perform acts that should not be done.

And being fully persuaded that, what he had promised, he was able also to perform.

For I know that in me (that is, in my flesh,) dwelleth no good thing: for to will is present with me; but how to perform that which is good I find not.