Paul spoke of the “simplicity” in Christ.
“But I fear, lest by any means, as the serpent beguiled Eve through his subtilty, so your minds should be corrupted from the simplicity that is in Christ.” 2 Corinthians 11:3
God made things simple for man, but man chooses to complicate them. Adam’s first orders were extremely simple:
“And the Lord God commanded the man, saying, Of every tree of the garden thou mayest freely eat:  But of the tree of the knowledge of good and evil, thou shalt not eat of it: for in the day that thou eatest thereof thou shalt surely die.”...