Charles Spurgeon Commentary 1 Chronicles 28:21

"And, behold, there are the courses of the priests and the Levites, for all the service of the house of God: and there shall be with thee in all manner of work every willing man that hath skill, for any manner of service: also the captains and all the people will be wholly at thy commandment." — 1 Chronicles 28:21 (ASV)

Also the princes and all the people will be wholly at thy commandment.

Thus the grand old man finished his life by starting another to carry on the work that he had to leave.

And, behold, the courses of the priests and the Levites, even they shall be with you for all the service of the house of God: and there shall be with you for all manner of workmanship every willing skillful man, for any manner of service!

God always finds men for His work. We sometimes see a lot of cowards run away, and we say to ourselves, "What will happen now?" Why, God will find better men than they are! And when there seems to be a paucity of really valiant men in Israel, God has them in training; and that awkward squad out there will yet become a band of brave men for the service of the house of God.