The “We Only Use 10% of our Brains” Lie

At first glance, this may seem like a meaningless topic but as I reflected on the repercussions that could result from believing this lie, I realized that it is absolutely imperative that people know the truth because of two sequential lies that would naturally result from this error causing confusion in a person’s world view.


1. There would no doubt be the speculation that says:
“imagine what wonderful and amazing things we could do if we could only tap into that other 90% of our brain”

This would be a harmful belief against our faith because it would be a crutch that we use to validate unbelief towards the possibilities of what already exists to us but are only accomplished through faith


and 2. the inevitable opposite effect that says:
“it’s not our fault that we are the way we are, we’re only working with 10% of our brains!”

This, too, would be harmful because it then rejects our responsibility and ownership for our actions seeking to use the lie as a crutch for our shortcomings


MRI and PET Scans show that every area of the brain functions even in doing simple tasks – just, not all at once. However, this is the same that we would expect from other parts of the body.

We know that we have muscle tissue all throughout our entire body. But when doing any one task, we also know that we don’t use every muscle all at once in order to complete it; just those that are necessary for the task at hand. The same is true of our brains.

Every part of your brain has a function that we need in order to continue on being, well, us!

And we know that our brains are working all the time because we have to constantly feed it, which shows that energy is being consumed and requires replenishing

I believe that the lie began from a misquote of something that famous psychologist/philosopher William James said that was taken completely out of context.

What he actually said after much study was:
“most of us don’t meet our mental potential”

This is still true today.

But rather than the error of believing that this means that we can’t do more, this actual means that the possibility is there, we simply don’t take advantage of it.

Why is this information important?

For You have formed my inward parts; You knitted me together in my mother’s womb. I praise You, for I am fearfully and wonderfully made. Wonderful are Your works; my soul knows it very well. My frame was not hidden from You, when I was made in secret, and skillfully wrought in the depths of the earth; Your eyes have seen my unformed substance; and in Your book were all written the days that were ordained for me, when as yet there was not one of them. How precious also are Your thoughts to me, O God! How vast the sum of them! If I should count them, they would outnumber the sand. When I awake, I am still with You.
Psalm 139:13-18

It’s important because God is glorified in that we would know the truth about Him and ourselves whom He has created in His image and likeness.

Therefore I tell you, do not worry about your life, what you will eat or drink; or about your body, what you will wear. Is not life more than food, and the body more than clothes? Look at the birds of the air; they do not sow or reap or store away in barns, and yet your heavenly Father feeds them. Are you not much more valuable than they? Can any one of you by worrying add a single hour to your life?

“And why do you worry about clothes? See how the flowers of the field grow. They do not labor or spin. Yet I tell you that not even Solomon in all his splendor was dressed like one of these. If that is how God clothes the grass of the field, which is here today and tomorrow is thrown into the fire, will he not much more clothe you—you of little faith? So do not worry, saying, ‘What shall we eat?’ or ‘What shall we drink?’ or ‘What shall we wear?’ For the pagans run after all these things, and your heavenly Father knows that you need them. But seek first his kingdom and his righteousness, and all these things will be given to you as well.
Matthew 6:25-33

This also teaches us that although we may try to create many fictional justifications for disbelieving the truth about the true and living God, the onus is still on us. We are therefore without excuse if in rejecting the Gospel of salvation and the truth about God’s only Son we find ourselves in a place one day without the comfort of His forgiveness and love that He has freely extended to all the world at the cross of Jesus Christ!


My friends,
I implore you,





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