The Pharisee stood up [conspicuously] and prayed about himself this way [i.e., bragging to God about how good he was], ‘God, I thank you that I am not like other people: swindlers, unjust, sexually unfaithful to their mates, or even like that tax collector [over there].
If the work of anyone lasts [i.e., if his converts are judged faithful], he will receive a reward [i.e., his converts will constitute part of his reward].
Now the person who plants and the person who waters have the same [purpose], and each one will receive his own wages, according to the work each one does.
For this is what we boast of: Our conscience testifies that we have conducted ourselves in the world, and especially toward you, in holiness and godly sincerity, not with human wisdom, but with the favor of God.
Put yourselves to a test; see if you are [really] in the faith [i.e., see if you are genuine Christians]; examine yourselves! Or, do you not realize that Jesus Christ is in your hearts, unless [of course] you fail the test [i.e., unless you are counterfeit Christians].
For not even those who practice circumcision comply with [the requirements of] the Law of Moses, yet they want you to be circumcised so they can take credit for this physical evidence [of your compliance with the Law of Moses].