'In the Wilderness' in the Bible

Harden not your hearts, as in the provocation, in the day of temptation in the wilderness:

But with whom was he grieved forty years? was it not with them that had sinned, whose carcases fell in the wilderness?

Whose carcases fell in the wilderness? And to whom sware he, that they should not enter into his rest, but to them that believed not?

Let us therefore make every effort to enter that rest [of God, to know and experience it for ourselves], so that no one will fall by following the same example of disobedience [as those who died in the wilderness].

For you have not come [as did the Israelites in the wilderness] to a mountain that can be touched and to a blazing fire, and to gloom and darkness and a raging windstorm,