John Gills Exposition of the Bible Commentary - Psalms 73:18
Surely thou didst set them in slippery places ,.... In which a man cannot stand long, and without danger; and the higher they are the more dangerous, being slippery, and such are places of honour and riches. The phrase denotes the uncertainty and instability of these things, and the danger men are in who are possessed of them of falling into destruction and misery. The Targum is, "thou didst set them in darkness;' to be in slippery places, and in the dark, is very uncomfortable, unsafe,... read more
Matthew Henry's Complete Commentary - Psalms 73:15-20
We have seen what a strong temptation the psalmist was in to envy prospering profaneness; now here we are told how he kept his footing and got the victory. I. He kept up a respect for God's people, and with that he restrained himself from speaking what he had thought amiss, Ps. 73:15. He got the victory by degrees, and this was the first point he gained; he was ready to say, Verily, I have cleansed my heart in vain, and thought he had reason to say it, but he kept his mouth with this... read more