Thereference to "rest" here needs to be carefully understood. This part of Hebrews uses several meanings of "rest." This verse is a reference to Israel's victory in Canaan, as intended by God (Deuteronomy 12:9). The rebellious, faithless generation of Israel in the desert was barred from obtaining this victory.
Do your best and let God do the rest." What does the Bible say? 1. 1 Samuel 10:7 After these signs take place, do what must be done, for God is with you. 2. Ecclesiastes 9:10 Whatever the activity in which you engage, do it with all your ability, because there is no work, no planning, no learning, and no wisdom in the next world where you C3YpK.