6 But the children of those that smote [him] he did not put to death; according to that which is written in the book of the law of Moses, wherein Jehovah commanded saying, The fathers shall not be put to death for the children, neither shall the children be put to death for the fathers; but every man shall be put to death for his own sin.

Matthew Henry's Commentary on 2 Kings 14:6

Commentary on 2 Kings 14:1-7

(Read 2 Kings 14:1-7)

Amaziah began well, but did not go on so. It is not enough to do that which our pious predecessors did, merely to keep up the common usage, but we must do it as they did, from the same principle of faith and devotion, and with the same sincerity and resolution.