He lifted up his hand; he sware, as this phrase is commonly used, as Genesis 14:22 Deuteronomy 32:40 Nehemiah 9:15 Revelation 10:5,6: of this dreadful and irrevocable sentence and oath of God, see Num 14.
Related Commentaries of Psalms 106:26
Psalms 106:26
26 Therefore he lifted up his hand against them, to overthrowe them in the wilderness: