John Calvin's Commentary on the Bible

9 (Colossians 3:9)

Verse 9

9.Lie not. When he forbids lying, he condemns every sort of cunning, and all base artifices of deception. For I do not understand the term as referring merely to calumnies, but I view it as contrasted in a general way with sincerity. Hence it might be allowable to render it more briefly, and I am not sure but that it might also be a better rendering, thus: Lie not one to another. He follows out, however, his argument as to the fellowship, which believers have in the death and resurrection of Christ, but employs other forms of expression.

The old man denotes — whatever we bring from our mother’s womb, and whatever we are by nature. (438) It is put off by all that are renewed by Christ. The new man, on the other hand, is that which is renewed by the Spirit of Christ to the obedience of righteousness, or it is nature restored to its true integrity by the same Spirit. The old man, however, comes first in order, because we are first born from Adam, and afterwards are born again through Christ. And as what we have from Adam becomes old, (439) and tends towards ruin, so what we obtain through Christ remains for ever, and is not frail; but, on the contrary, tends towards immortality. This passage is worthy of notice, inasmuch as a definition of regeneration may be gathered from it. For it contains two parts — the putting off of the old man, and the putting on of the new, and of these Paul here makes mention. It is also to be noticed, that the old man is distinguished by his works, as a tree is by its fruits. Hence it follows, that the depravity that is innate in us is denoted by the term old man

- John Calvin's Commentary on the Bible