Notes on Luke 8:13-28

Luke 8:13

Those who have no root have no real faith (see Matt. 7:21-23; 15:8; Jam. 2:17). All who have true faith will never fall away (Phil. 1:6; 2 Thess. 3:3; 1 John 2:9; Jude 1, 24).

Luke 8:14

thorns. The Old Testament often relates thorns to idols (Jer. 4:3-4). Idols do not need to be literal statues of false gods. They can be anything we love and worship more than God (see 16:13; 1 Cor. 10:6-13; Col. 3:5; 1 John 5:20-21). This is especially true of the cares and riches and pleasures of this life (see 12:22).

Luke 8:15

Those who take serious and believe the word when they hear it have real faith. See WLC 160; WSC 90.

Luke 8:16-18

See WLC 160.

Luke 8:16-17

Jesus's teaching was like a lamp which brings light to spiritual darkness. It revealed truth and exposed sin. This is true of all God's word (see Pss. 97:11; 112:4; 119:105; 1 John 1:5).

Luke 8:18

One must listen carefully to God's word, including Jesus's teaching (vv. 16-17). Those who hear and believe will be changed and receive more understanding (see Prov. 9:9). Those that treat God's word lightly will lose whatever understanding they had.

Luke 8:19

These brothers were the sons born to Mary and Joseph after Jesus was born (see Matt. 1:25; Mark 6:3; John 2:12; 7:3, 5; Acts 1:14; 1 Cor. 9:5; Gal. 1:19).

Luke 8:20-21

Jesus was not disparaging his family, though they did not believe he was the Christ at this point (John 7:5; see Matt. 13:57; Acts 1:14). But Jesus is clear that the true family of God is characterized by those who obey God's word (see John 15:9-11; Jam. 2:17). These verses conclude Luke's emphasis on God's Word (vv. 1-21).

Luke 8:23

fell asleep. A subtle reminder of Jesus's humanity (see note on 1:35). terrible windstorm. The geography of the Sea of the Galilee (v. 26) made sudden, unexpected storms common.

Luke 8:25

"Where is your faith?" After rebuking the storm (v. 24), Jesus rebuked the disciples. They followed him as a man sent from God. But they still lacked a true understanding of his person and work. Therefore, they did not fully trust him. afraid . . . amazed. Jesus's identity started to become clearer. They knew that only God commanded the seas (Pss. 65:5-7; 89:8-9; 107:1-2, 23-29). Who then is this…? A question Luke posed to his original readers. The question must be answered in every age by all who encounter Jesus through the Bible.

Luke 8:26

region of the Gerasenes. It is difficult to know exactly where this took place. Some manuscripts read "Gadarenes" here. It is best to see it as a largely Gentile area on the other side of the lake.

Luke 8:27

man . . . who had demons. The lifestyle of nakedness and living among the dead showed a person who had lost their senses of being a human. He was lost among the demonic influence (see note on v. 30).

Luke 8:28

The demon possessing this man recognized Jesus for who he really was. Son of the Most High God. The answer to disciples' question about Jesus, Who is this? (8:25). See note on 1:32. torment. The demons knew their fate and recognize Jesus's authority (Jam. 2:19; 1 John 3:8). However, their time of destruction had not yet come (v. 31; Matt. 25:41; 2 Pet. 2:4; Rev. 20:10).

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