Q. 88. Is any man able perfectly to keep the commandments of God?
A. No mere man, since the fall, is able in this life, perfectly to keep the commandments of God, but daily breaks them in thought, word, and deed.
Surely there is not a righteous man on earth who does good and never sins. Ecclesiastes 7:20
The Lord saw that the wickedness of man was great in the earth, and that every intention of the thoughts of his heart was only evil continually.
And when the Lord smelled the pleasing aroma, the Lord said in his heart, “I will never again curse the ground because of man, for the intention of man’s heart is evil from his youth. Neither will I ever again strike down every living creature as I have done. Genesis 8:21
If we say we have no sin, we deceive ourselves, and the truth is not in us.
But no human being can tame the tongue. It is a restless evil, full of deadly poison. James 3:8
For we all stumble in many ways. And if anyone does not stumble in what he says, he is a perfect man, able also to bridle his whole body.
For all have sinned and fall short of the glory of God,