lolol First you should find out what truth is.
17 "Sanctify them by Your truth. Your word is truth.
18 "As You sent Me into the world, I also have sent them into the world.
19 "And for their sakes I sanctify Myself, that they also may be sanctified by the truth.
26 "But the Helper, the Holy Spirit, whom the Father will send in My name, He will teach you all things, and bring to your remembrance all things that I said to you.