6:11-17 It is no new thing for what is done faithfully, in conscience toward God, to be misrepresented as done obstinately, and in contempt of the civil powers. Through want of due thought, we often do that which afterwards, like Darius, we see cause a thousand times to wish undone again. Daniel, that venerable man, is brought as the vilest of malefactors, and is thrown into the den of lions, to be devoured, only for worshipping his God. No doubt the placing the stone was ordered by the providence of God, that the miracle of Daniel's deliverance might appear more plain; and the king sealed it with his own signet, probably lest Daniel's enemies should kill him. Let us commit our lives and souls unto God, in well-doing. We cannot place full confidence even in men whom we faithfully serve; but believers may, in all cases, be sure of the Divine favour and consolation.

14. displeased with himself—for having suffered himself to be entrapped into such a hasty decree (Pr 29:20). On the one hand he was pressed by the immutability of the law, fear that the princes might conspire against him, and desire to consult for his own reputation, not to seem fickle; on the other, by regard for Daniel, and a desire to save him from the effects of his own rash decree.

till … going down of … sun—The king took this time to deliberate, thinking that after sunset Daniel would be spared till morning, and that meanwhile some way of escape would turn up. But (Da 6:15) the conspirators "assembled tumultuously" (literally) to prevent this delay in the execution, lest the king should meantime change his decree.