13 Come now, ye that say, Today and tomorrow we will go into such a city and continue there a year and buy and sell and get gain;14 and ye do not know what shall be tomorrow. For what [is] your life? Certainly it is a vapour that appears for a little time and then vanishes away.15 Ye [ought] to say instead, If the Lord wills, and if we live, we shall do this or that.16 But now ye boast in your arrogance; all such glory is evil.17 Therefore sin is [still] in the one that knows to do good and does not do [it].: