not dealt so, &c. The reference is to Exodus 20. Compare Deuteronomy 4:7; Deuteronomy 4:8. and see App-15.
they have not known them. Septuagint and Vulg, read "He maketh not known to them".
Related Commentaries of Psalms 147:20
Psalms 147:20
20 He hath not dealt so with any nation: and as for his judgments, they have not known them. Praise ye the LORD.