Psalm 95 turns from a call to worship into a stern warning, quoting Yahweh's own voice: "Today, if you hear His voice, do not harden your hearts as you did at Meribah... So I swore on oath in My anger, 'They shall never enter My rest'" (Ps 95:7-11). Hebrews cites the passage at length and prefaces it "as the Holy Spirit says" (Heb 3:7), treating the OT text as a living divine address to the present congregation. The connection works by contrast and analogy together. The wilderness generation stands as the canonical warning-example (Heb 4:11 ὑπόδειγμα) beside which the church is set — "we also received the good news just as they did" (4:2) — and the contrast is the warning's force: they heard the good news, hardened their hearts, and so "it was because of their unbelief that they were unable to enter" (3:19) — a fate the readers must not repeat. (The generation is not a type of Christ or of the church; the trajectory reserves typology for Joshua-as-rest-giver alone.) The escalation lies in the "Today": Psalm 95, written long after the conquest, already extended the offer of rest beyond Canaan, and Hebrews presses it to its eschatological depth — "There remains, then, a Sabbath rest for the people of God" (4:9). The same Spirit who spoke through David speaks now, so the offer is urgent and personal. The telos is the desirability of the rest and the One who gives it: unbelief forfeits a glory worth having, while faith today enters the rest of the finished work of Christ, the better Joshua who leads His people home.