He who walks blamelessly and does what is right and speaks truth in his heart; who does not slander with his tongue and does no evil to his neighbor, nor takes up a reproach against his friend;
So Jesus said to the Jews who had believed in him, "If you abide in my word, you are truly my disciples, and you will know the truth, and the truth will set you free."
Finally, brothers, whatever is true, whatever is honorable, whatever is just, whatever is pure, whatever is lovely, whatever is commendable, if there is any excellence, if there is anything worthy of praise, think about these things.
But above all, my brothers, do not swear, either by heaven or by earth or by any other oath, but let your "yes" be yes and your "no" be no, so that you may not fall under condemnation.
But the anointing that you received from him abides in you, and you have no need that anyone should teach you. But as his anointing teaches you about everything--and is true and is no lie, just as it has taught you--abide in him.
And we know that the Son of God has come and has given us understanding, so that we may know him who is true; and we are in him who is true, in his Son Jesus Christ. He is the true God and eternal life.
Nevertheless, I tell you the truth: it is to your advantage that I go away, for if I do not go away, the Helper will not come to you. But if I go, I will send him to you.