Brethren, it is easier to declaim against a thousand sins of others, than to mortify one sin in ourselves. John Flavel
1 John 2:19 WEB They went out from us, but they didn’t belong to us; for if they had belonged to us, they would have continued with us. But they left, that they might be revealed that none of them belong to us.
In the arguments about the preeminence of environment vs. heredity we often forget that man was placed in Eden—a perfect environment.