8 do not harden your hearts
as you did at Meribah,1
in the day at Massah in the wilderness,2
1 LXX as you did in the rebellion; Meribah means quarreling; see Exodus 17:7; cited in Hebrews 3:15 and Hebrews 4:7.
2 LXX in the day of testing in the wilderness; Massah means testing; see Exodus 17:7.