They possess people and cause: dumbness and deafness (Matt. 9:32,33; Mark 9:25); blindness (Matt. 12:22); grievous vexation (Matt. 15:22); lunacy and mania (Matt. 4:23,24; Mt 17:14-21; Mark 5:1-18); uncleanness (called unclean spirits twenty-one times,Luke 4:36; etc.); supernatural strength (Mark 5:1-18); suicide (Matt. 17:15; John 10:10); fits (Mark 9:20); lusts (John 8:44; Eph. 2:1-3; 1 John 2:15-17); counterfeit worship (Lev. 17:7; Deut. 32:17; 2 Chron. 11:15; Ps. 106:37; 1 Cor. 10:30; Rev. 9:20); error (1 John 4:1-6; 1 Tim. 4:1); sickness and disease (Matt. 4:23,24;Mt 12:22; Mt 17:15-18; Acts 10:38); torments (Matt. 4:23,24;Mt 15:22); deceptions (1 Tim. 4:1,2; 1 John 4:1-6); lying (1 Kings 22:21-24); enchantments and witchcraft (1 Sam. 28; 1 Chron. 10:13; 2 Chron. 33:6); heresies and false doctrines (1 Tim. 4:1); wickedness (Luke 11:26); fear (2 Tim. 1:7); worldliness (1 John 2:15-17; 1 Cor. 2:12); bondage (Rom.8:15); discord (Matt. 13:39; 1 Kings 22:21-24); violence (Matt. 17:15); betrayals (John 13:2; 1 Kings 22:22,23); oppression (Acts 10:38); sin (1 John 3:8); persecution (Rev. 2:10; 1 Peter 5:8); jealousy (1 Sam. 16:17; 1 Sam 18:8-10); false prophecy (1 Sam. 18:8-10; 1 Kings 22:21-24); and cause every evil they possibly can to come to God and man.
They can: teach (1 Tim. 4:1); steal (Matt. 13:19; Luke 8:12) fight (Eph. 4:27;Eph 6:10-18; 1 Peter 5:8); get mad (Matt. 8:28; Rev. 12:12); tell fortunes (Lev. 20:27; Acts 16:16); be friendly (called familiar spirits sixteen times,Lev. 20:6,27); can go out and come back into men as they will, unless cast out and rejected (Matt. 12:43-45); travel (1 Kings 22:21-24; Mark 5:7,12); speak (Mark 1:34; Mk 5:12; Acts 8:7); imitate departed dead (1 Sam. 28:3-9; 1 Chron. 10:13; Isa.8:19; Deut. 18:11); and do many things when in possession of bodies through whom they operate.
Pastor Jack Howell
"Some bring God's curse on them by marking off part of the Bible, calling it erroneous, uninspired, less than the very Word of God." - Dr. John R. Rice
"For I am not ashamed of the gospel of Christ: for it is the power of God to salvation to every one that believes; to the Jew first, and also to the Greek." (Romans 1:16)