Exodus 20:25

Overview - Exodus 20
The ten commandments are spoken by Jehovah.
18 The people are afraid, but Moses comforts them.
21 Idolatry is forbidden.
23 Of what sort the altar should be.
Treasury of Scripture Knowledge

Exodus 20:25  (King James Version)
And if thou wilt make me an altar of stone, thou shalt not build it of hewn stone: for if thou lift up thy tool upon it, thou hast polluted it.
 


And
Deuteronomy 27:5 Deuteronomy 27:6 ; Joshua 8:31

build it of hewn stone
Hebrew build them with hewing.