'Unknown' in the Bible
"So the abundance will be unknown in the land because of that subsequent famine; for it will be very severe.
While the men in ambush were waiting in her room, she called out to him, "Samson, the Philistines are here!" But he snapped the bowstrings as a strand of yarn snaps when it touches fire. [The secret of] his strength remained unknown.
And Boaz said to her, I have been made fully aware of all you have done for your mother-in-law since the death of your husband, and how you have left your father and mother and the land of your birth and have come to a people unknown to you before.
Then one went into the field to gather herbs and gathered from a wild vine his lap full of wild gourds, and returned and cut them up into the pot of pottage, for they were unknown to them.
He cuts a shaft far from human habitation, [in places] unknown to those who walk above ground. Suspended far away from people, the miners swing back and forth.
Do you see a man skilled in his work? He will stand in the presence of kings. He will not stand in the presence of unknown men.
And the measuring line shall go out farther straight onward to the hill Gareb and shall then turn to Goah [exact location unknown].
I spelled out my law for him in great detail, but they regard it as something totally unknown to them!
And you shall go out through the breaches [made in the city's wall], every [woman] straight before her, and you shall be cast forth into Harmon [an unknown place of exile], says the Lord.
A Light for revelation to the Gentiles [to disclose what was before unknown] and [to bring] praise and honor and glory to Your people Israel.
For they heard them talking in [unknown] tongues (languages) and extolling and magnifying God. Then Peter asked,
For as I passed by, and beheld your devotions, I found an altar with this inscription, TO THE UNKNOWN GOD. Whom therefore ye ignorantly worship, him declare I unto you.
And as Paul laid his hands upon them, the Holy Spirit came on them; and they spoke in [foreign, unknown] tongues (languages) and prophesied.
To another the working of miracles, to another prophetic insight ( the gift of interpreting the divine will and purpose); to another the ability to discern and distinguish between [the utterances of true] spirits [and false ones], to another various kinds of [unknown] tongues, to another the ability to interpret [such] tongues.
So God has appointed some in the church [ for His own use]: first apostles (special messengers); second prophets (inspired preachers and expounders); third teachers; then wonder-workers; then those with ability to heal the sick; helpers; administrators; [speakers in] different (unknown) tongues.
For he that speaketh in an unknown tongue speaketh not unto men, but unto God: for no man understandeth him; howbeit in the spirit he speaketh mysteries.
He that speaketh in an unknown tongue edifieth himself; but he that prophesieth edifieth the church.
Now I wish that you might all speak in [unknown] tongues, but more especially [I want you] to prophesy (to be inspired to preach and interpret the divine will and purpose). He who prophesies [who is inspired to preach and teach] is greater (more useful and more important) than he who speaks in [unknown] tongues, unless he should interpret [what he says], so that the church may be edified and receive good [from it].
Now, brethren, if I come to you speaking in [unknown] tongues, how shall I make it to your advantage unless I speak to you either in revelation (disclosure of God's will to man) in knowledge or in prophecy or in instruction?
Just so it is with you; if you in the [unknown] tongue speak words that are not intelligible, how will anyone understand what you are saying? For you will be talking into empty space!
There are, I suppose, all these many [to us unknown] tongues in the world [somewhere], and none is destitute of [its own power of] expression and meaning.
Wherefore let him that speaketh in an unknown tongue pray that he may interpret.
For if I pray in an unknown tongue, my spirit prayeth, but my understanding is unfruitful.
Otherwise, if you bless and render thanks with [your] spirit [ thoroughly aroused by the Holy Spirit], how can anyone in the position of an outsider or he who is not gifted with [interpreting of unknown] tongues, say the Amen to your thanksgiving, since he does not know what you are saying?
Yet in the church I had rather speak five words with my understanding, that by my voice I might teach others also, than ten thousand words in an unknown tongue.
In the Law it stands written, "'By men of unknown tongues and by the lips of an unknown nation will I speak to this People, but even then they will not listen to Me', says the Lord."
Thus [unknown] tongues are meant for a [supernatural] sign, not for believers but for unbelievers [on the point of believing], while prophecy (inspired preaching and teaching, interpreting the divine will and purpose) is not for unbelievers [on the point of believing] but for believers.
Therefore, if the whole church assembles and all of you speak in [unknown] tongues, and the ungifted and uninitiated or unbelievers come in, will they not say that you are demented?
If any man speak in an unknown tongue, let it be by two, or at the most by three, and that by course; and let one interpret.
So [to conclude], my brethren, earnestly desire and set your hearts on prophesying (on being inspired to preach and teach and to interpret God's will and purpose), and do not forbid or hinder speaking in [unknown] tongues.
As unknown, and yet well known; as dying, and, behold, we live; as chastened, and not killed;
And was unknown by face unto the churches of Judaea which were in Christ:
Let all bitterness and all passionate feeling, all anger and loud insulting language, be unknown among you--and also every kind of malice.
Practice hospitality to one another (those of the household of faith). [Be hospitable, be a lover of strangers, with brotherly affection for the unknown guests, the foreigners, the poor, and all others who come your way who are of Christ's body.] And [in each instance] do it ungrudgingly (cordially and graciously, without complaining but as representing Him).