Charles H. Spurgeon on Psalms 94:13

That thou mayest give him rest from the days of adversity, until the pit be digged for the wicked. The chastening hand and instructive book are sanctified to us, so that we learn to rest in the Lord. We see that his end is our everlasting benefit, and therefore abide quiet under all trying providences and bitter persecutions, waiting our time. The Mighty Hunter is preparing the pit for the brutish ones; they are prowling about at this time, and tearing the sheep, but they will soon be captured and destroyed, therefore the people of the Lord learn to rest in days of adversity, and tarry the leisure of their God. Wicked men may not yet be ripe for punishment, nor punishment ready for them: hell is a prepared place for a prepared people; as days of grace ripen saints for glory, so days of wantonness help sinners to rot into the corruption of eternal destruction.