Lets take a look at this truth in Col 1:6, “The grace of God in truth.” What is truth? In the Greek it is ἀλήθεια . It is stated in Abbott- Smith’s work, Objectively it is, "the reality lying at the basis of an appearance; the manifested, veritable essence of a matter" In other words what something is. It’s appearance as Liddell, Scott, and Jones share in their citation. It’s root word is ἀληθής. And this word is a compound word derived from αandλανθάνω . Not Hidden respectively. Or as Mickelson’s work sites ( not concealing). In the LXX it is used quite extensively to translate a wide variety of Hebrew words in various text. Lets take a look at them and how they are basically defined and understood in the BDB Lexicon of Hebrew words . The first word we will look at is אוּר. pronounced oor. It means flame or mind you light. Another word was אמוּן. Which is pronounce ay-moon' it means established and it’s root means to foster, nurture develop, keep alive. Also there was אמנה It is pronounced em-oo-naw', This word literally firmness; figuratively security; moral fidelity: and typically is translated faith. Then there is אמת pronounced eh'-meth And it means stability. We must also consider ישׁרpronounced yaw-shawr' straight (literally or figuratively). It is translated convenient, equity, just. And is from ישׁר Pronounced yaw-shar' which means; to be straight or even; figuratively to be (causatively to make) right, pleasant, prosperous. And of courseיצּיב pronounced yats-tseeb' and means fixed, sure; Plus there is כּוּן Pronounced koon Which is a primitive root; an means to be erect (that is, stand perpendicular);. hence (causatively) to set up, in a great variety of applications, whether literal (establish, fix, prepare, apply), or figurative (appoint, render sure, proper or prosperous) And נכח Pronounced naw-ko'-akh Which means straightforward, that is, (figuratively), equitable, correct, or (abstractly), integrity. Then there is קשׁט pronounced kesh-ote', and it means fidelity. And finally תּם pronounced tome and means completeness; figuratively prosperity; usually (morally) innocence. It has been translated full, integrity, perfect (-ion), simplicity, upright (-ly, -ness), at a venture. This word is from the root word תּמם pronounced taw-mam'. It means; to complete, in a good or a bad sense, literally or figuratively. So what is God’s truth? It is His completeness, fixed and sure, His Stability that He offers us. His establishing us in His integrity, His straightforwardness, His prosperity found in His innocence. It is firm and secure, His Moral fidelity, His faith in us, His understanding that is found in His knowledge and wisdom. Which is through His love that is only found in Him in the Body of Christ, the Way and the Truth. And in Him only we experience His fostering and nurturing. His way, the way that He designed to give us life. That is the Gospel in truth in Christ.