Psalms 95:8-11

AKJV(i) 8 Harden not your heart, as in the provocation, and as in the day of temptation in the wilderness: 9 When your fathers tempted me, proved me, and saw my work. 10 Forty years long was I grieved with this generation, and said, It is a people that do err in their heart, and they have not known my ways: 11 To whom I swore in my wrath that they should not enter into my rest.