Human Uses and Metaphors

Fire is a basic necessity for various human activities such as cooking (Exod. 12:8; Isa. 44:15–16, 19; John 21:9), warming (Isa. 44:16; Jer. 36:22; John 18:18), lighting (Isa. 50:11), manufacturing (Exod. 32:24), and refining metals (Num. 31:22–23). Fire is also an important means of maintaining the purity of God’s people, used to punish sinners (the sexually immoral [Lev. 20:14; 21:9; cf. Gen. 38:24] and the disobedient [Josh. 7:25; cf. 2 Kings 23:16]) and to destroy idols (Exod. 32:20; Deut. 7:5, 25; 2 Kings 10:26), chariots (Josh. 11:6, 9), and the cities of Canaan (Josh. 6:24; 8:19; 11:11; Judg. 18:27). As an essential means of worship, fire is used to burn sacrificial animals (Gen. 8:20; Exod. 29:18; Lev. 1:9; 3:3; 9:10, 13–14, 20) and grain offerings (Lev. 2:2, 9; 9:17).

The Mosaic law has several regulations concerning fire. Regarded as work, starting a fire is forbidden on the Sabbath (Exod. 35:3). It is the responsibility of the priests to keep the fire burning on the altar (Lev. 6:9, 12–13). The use of an “unauthorized fire” for sacrifice is forbidden (note Nadab and Abihu’s death [Lev. 10:1–2; cf. Num. 3:4; 26:61; 1 Chron. 24:2]). Also, contrary to the Canaanite religious custom, burning children is forbidden (Deut. 18:10), though the Israelites failed to keep this command and elicited God’s judgment (2 Kings 16:3; 17:17; 21:6; Jer. 7:31; 32:35; note Josiah’s ban in 2 Kings 23:10).

As a metaphor, fire also signifies human anger (Ps. 39:3), wickedness (Isa. 9:18), self-reliance (Isa. 50:11), evil planning (Hos. 7:6–7), lust (Prov. 6:27–28), evil speech or tongue (Prov. 16:27; James 3:5–6), and, paradoxically, kindness to an enemy (Prov. 25:22; Rom. 12:20).

Divine Uses and Metaphors

In the Bible, God is described as the ruler of fire (Ps. 104:4; cf. 1 Kings 18). Positively, God sends fire to signify his acceptance of worship (Lev. 9:24; Judg. 13:19–20; 1 Kings 18:38; 2 Chron. 7:1–3; cf. Luke 9:54). God also purifies his people by fire in order to provide them with abundance (Ps. 66:12), to cleanse them of their sins (Isa. 6:6–7), to refine them into the true remnant (Zech. 13:9), to restore true worship (Mal. 3:2–3), to bring forth genuine faith (1 Cor. 3:13, 15; 1 Pet. 1:7), and to give Christians a true joy of participating in Christ’s suffering (1 Pet. 4:12). God also promises to make his people like a firepot and a flaming torch that will burn the surrounding enemies (Zech. 12:6). Negatively, God uses fire to punish the wicked and disobedient (Gen. 19:24; Exod. 9:23; Num. 11:1; 16:35; 2 Kings 1:10, 12; Isa. 29:6; 34:9–10; 66:24; Ezek. 38:22; 39:6; Rev. 20:9). God is a farmer burning unfruitful trees (John 15:2, 6; cf. Matt. 3:10; 7:19; 13:40) and “thorns and briers” (Isa. 10:17). The eternal fire of hell is the place where God’s final judgment will be executed (Matt. 5:22; 25:41; Mark 9:45–49; Jude 1:7; note the “lake of fire” in Rev. 20:14–15; cf. 14:10; 21:8).

Fire is also a symbol used to image the indescribable God. It symbolizes God’s presence: a smoking firepot with a flaming torch (Gen. 15:17), the burning bush (Exod. 3:2; cf. Elijah’s expectation [1 Kings 19:12]), the pillars of fire and smoke (Exod. 13:21–22; Num. 14:14), the smoke on Mount Sinai and in the tabernacle and the temple (Exod. 19:19; Num. 9:15–16; Deut. 4:11–12; Isa. 6:4). Fire marks God’s protection: the “horses and chariots of fire” (2 Kings 6:17; cf. 2:11), the “wall of fire” (Zech. 2:5). Fire also represents God’s glory: God’s throne (Dan. 7:9; cf. Ezek. 1:4, 13; 10:2, 6–7), God’s form (Ezek. 1:27), the seven spirits of God before the throne (Rev. 4:5). God in his holy wrath is also likened to a burning fire (Pss. 79:5; 89:46; Isa. 5:24; 33:14; Jer. 15:14; Ezek. 21:31; 22:21; Hos. 8:5; note the expression “consuming fire” [Deut. 4:24; Isa. 33:14; Heb. 12:29]) and even to a fiery monster (Ps. 18:8; Isa. 30:33; 65:5; cf. Job 41:19–21). Fire is an important element in the description of the day of the Lord (Joel 2:3; cf. 2 Pet. 3:12). God’s words in the prophet’s mouth are likened to a fire (Jer. 5:14; 20:9; 23:29).

Fire is also used to speak of Jesus. John the Baptist refers to Jesus’ baptism as one with the Holy Spirit and fire (Matt. 3:11). Jesus identifies the purpose of his coming as casting fire on earth (Luke 12:49). The returning Jesus is portrayed as coming in “blazing fire” (2 Thess. 1:7), and the eyes of the glorified Christ are likened to “blazing fire” (Rev. 1:14; 2:18; cf. “flaming torches” in Dan. 10:6). In Acts 2:3 the Holy Spirit is portrayed as the “tongues of fire.”