imagine a wordless and thoughtless mind -it is here today.

One exists 100% when one lives the truth. Otherwise one lives not his own life but others. Truth involves words. When words are eradicated, no truth exists.

the mind controls the data or the data controls the mind?

The mindman discovers that a reality check on truth is for everyone with a mind to complete. Every thought ought be a reflection of the truth about oneself. Here is the mindman’s confession.
At one time I was convinced that the mind itself was the truth.
I was very sure that I had the truth and my mind controlled the truth. After all, who could have known me better than my mind knows myself? Surely my mind knows best where I am concerned.
If the mind is loyal to its master, then it would have functioned 100% for my benefits, for my good, for my well being. The ‘me’ or ‘my’ or ‘self’ is very big in the dictionary of the mindman, indeed the whole world to a person who thinks he exists because he thinks.
If the above is true, then everyone (body, soul, and spirit) should be happy. But in real life this is not so. Instead, the mind is subject to deceptions and mental attacks. Why? Because not one mind is perfect or altruistic. Who sets the standards for the mind to function? Who really knows oneself? If the mind sets its own standards of performance then it merely sets those for its own convenience and benefits. It would not bother with anything concerning the well being of the other parts of the body or the soul. (One who exists by his mind does not know about his spirit, so there is no point mentioning his spirit).
As previously written the mind is habit. Habit is a convenience. Which mind would not prefer convenience? In another word, idleness.
The commercial society knows this preference best. It comes up with a lot of commercial conveniences. The mind does not need to do any hard work. It can always pick and choose the decision that offers the easiest and requires least physical and mental effort. Forget about moral. Ignore others well being. Self love, self promotion, and self preservation are the utmost priority.
If there is a reality check on the mind, most significant and common finding will be the atrophy of the brain cells that recall facts and make decision. Signs? Who cares about mental mathematics calculation these days when every mobile phone has a calculator? Who cares to remember phone numbers or addresses or even faces with names when every one has a mobile phone with ease of access to each person’s data so openly stored on the internet? Symbols (including short utterances concocted by the modern digital community) are so easily available and of such rich variety, so why bother to remember words or languages?

mind with no thoughts

Thoughts with no words. Mind with no thoughts. The mindman shudders when he has a glimpse of the inevitable future of human ‘mind’.
Worse, minds with untruth about oneself and others. How will human decision be made? When lies and deceptions become the ruler of the minds, the world’s end will surely arrive. There will be no need for any other form of war. The minds self-destruct itself by a gradual process of atrophy.
Worst, empty minds think themselves powerful.
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For Christians to ponder: What can you do when you become wordless?
The Lord Jesus Christ has warned:
"... and all the churches shall know that I am He who searches the minds and hearts. And I will give to each one of you according to your works." (Revelation 2:23)

A more positive way out:

Romans 8:4-6

Amplified Bible (AMP)

⁴ So that the righteous and just requirement of the Law might be fully met in us who live and move not in the ways of the flesh but in the ways of the Spirit [our lives governed not by the standards and according to the dictates of the flesh, but controlled by the Holy Spirit].

⁵ For those who are according to the flesh and are controlled by its unholy desires set their minds on and pursue those things which gratify the flesh, but those who are according to the Spirit and are controlled by the desires of the Spirit set their minds on and seek those things which gratify the [Holy] Spirit.

⁶ Now the mind of the flesh [which is sense and reason without the Holy Spirit] is death [death that comprises all the miseries arising from sin, both here and hereafter]. But the mind of the [Holy] Spirit is life and [soul] peace [both now and forever].

big freeze in the mind