14 whereas you do not know what will happen tomorrow. What is your life? It is just a vapor that appears for a little while and then vanishes away.
15 Instead you ought to say, “If the Lord wills, we shall live and do this or that.”
16 But now you are rejoicing in your boastings. All such rejoicing is evil.
17 Therefore, to him who knows to do good and does not do it, it is sin.