So... you think you can summon clairvoyant powers from God on demand and you used this gift...as per my signature,
To be honest, I would believe the same except for the progression of learning. Indeed it is nonsense for those who don't believe. Like when Moses and the Israelites said they couldn't come into the promised land for in essence, it seemed like foolishness or nonsense.
Paul said it this way:
PHILLIPS
The preaching of the cross is, I know, nonsense to those who are involved in this dying world, but to us who are being saved from that death it is nothing less than the power of God.
In my experience it is a venue to receive wisdom from God as we pray in the spirit as well as praying with our understanding.
As an example, when I was selling electronic typewriters (that dates me) I was at a "L" shaped shopping strip. The Cannon electronic typewriter would sell from 2000 up to 3000 dollars.
With typewriter in hand, I headed towards the businesses. Half way into reaching the businesses, I said to myself, "This group of businesses wouldn't have the money". I turned around and started singing in the spirit (biblical words for singing in tongues).
I closed my eyes for about two seconds in this mode of worship and I see letters in an arc shape. I turned around and saw an Insurance business with its name in an arc shape. I went there and they were about to close on a competitors Olivetti electronic typewriter. They bought mine.
Praying in the spirit unleashes understanding of the mysteries of God. It reveals, through words of the Holy Spirit" God's will and purposes.
Now... you don't have to do it. You can call it nonsense and not partake of it. However, I am enjoying the many benefits.
... to sell typewriters?
Either there's something horribly wrong with your values or judgment or you aren't being truthful with us.