NET
5 But the aim of our instruction is love that comes from a pure heart, a good conscience, and a sincere faith.
Darby
5 But the end of what is enjoined is love out of a pure heart and a good conscience and unfeigned faith;
KJV
5 Now the end of the commandment is charity out of a pure heart, and [of] a good conscience, and [of] faith unfeigned: