Greetings KJV,
I see what you are saying regarding Hebrews 10:26.
But there is an action verb in there regarding "Knowledge of the Truth", and that is the word that precedes the phrase. That word is:
G2983
λαμβάνω
lambanō
Thayer Definition:
1) to take
1a) to take with the hand, lay hold of, any person or thing in order to use it
1a1) to take up a thing to be carried
1a2) to take upon one’s self
1b) to take in order to carry away
1b1) without the notion of violence, i,e to remove, take away
1c) to take what is one’s own, to take to one’s self, to make one’s own
1c1) to claim, procure, for one’s self
1c1a) to associate with one’s self as companion, attendant
1c2) of that which when taken is not let go, to seize, to lay hold of, apprehend
1c3) to take by craft (our catch, used of hunters, fisherman, etc.), to circumvent one by fraud
1c4) to take to one’s self, lay hold upon, take possession of, i.e. to appropriate to one’s self
1c5) catch at, reach after, strive to obtain
1c6) to take a thing due, to collect, gather (tribute)
1d) to take
1d1) to admit, receive
1d2) to receive what is offered
1d3) not to refuse or reject
1d4) to receive a person, give him access to one’s self
1d4a) to regard any one’s power, rank, external circumstances, and on that account to do some injustice or neglect something
1e) to take, to choose, select
1f) to take beginning, to prove anything, to make a trial of, to experience
2) to receive (what is given), to gain, get, obtain, to get back
Part of Speech: verb
A Related Word by Thayer’s/Strong’s Number: a prolonged form of a primary verb, which is use only as an alternate in certain tenses
Citing in TDNT: 4:5, 495
Total KJV Occurrences: 261
While having a knowledge of and looking it over and considering it, like the "builder that, considers the cost" is one thing, the point of verse 26 is to speak of the one who did all that then laid hold, appropriated, received, etc that Knowledge and hence entered into contract with it.
SG