“But concerning the day and the hour, brethren, you have no need that I should write to you. For you yourselves know perfectly that the day of the Lord so comes as a thief in the night.” 1 Thess.…

A Christian’s life can be divided into two main parts: to be called—to know with unshakable certainty that he is called by God—and then to make his calling sure—day by day, hour by hour, and moment…