Psalms 95:10
For forty years I was angry with that generation,
What it says
For forty years God was grieved with that generation because they went astray in heart and did not know his ways.
What it is doing
This verse explains the depth and duration of God's displeasure.
In context
1Come, let us sing for joy to the LORD; 2Let us enter His presence with thanksgiving; 3For the LORD is a great God, 4In His hand are the depths of the earth, 5The sea is His, for He made it, 6O come, let us worship and bow down; 7For He is our God, 8do not harden your hearts 9where your fathers tested and tried Me, 10For forty years I was angry with that generation, 11So I swore on oath in My anger,