Vincent's NT Word Studies
5. Believeth on Him (pisteuonti epi ton). The verb pisteuw to believe is used in the New Testament as follows: 1. Transitively, with the accusative and dative: to entrust something to one, Luke xvi. 11; John ii. 24. In the passive, to be entrusted with something, Rom. iii. 2; 1 Cor. ix. 17; Gal. ii. 7. With the simple accusative, to believe a thing, John xi. 26; 1 John iv. 16.
2. With the infinitive, Acts xv. 11.
3. With oti that, Matt. ix. 28; Mark xi. 24; Jas. ii. 19. Especially frequent in John: iv. 21; xi. 27, 42; xiii. 19; xiv. 10, 11; xvi. 27, 30, etc.
4. With the simple dative, meaning to believe a person or thing, that they are true or speak the truth, John ii. 22; iv. 21; v. 46. See on John i. 12; ii. 22, 23; viii. 31; x. 37.
5. With the preposition ejn in. Not frequent, and questioned in some of the passages cited for illustration. In John iii. 15, ejn aujtw in Him, is probably to be construed with have eternal life. The formula occurs nowhere else in John. In Mark i. 15 we find pisteuete ejn tw eujaggeliw believe in the gospel. The kindred noun pistiv faith, occurs in this combination. Thus Gal. iii. 26, though some join in Christ Jesus with sons. See also Eph. i. 15; Col. i. 4; 1 Tim. iii. 13; 2 Tim. iii. 15; Romans iii. 25. This preposition indicates the sphere in which faith moves, rather than the object to which it is directed, though instances occur in the Septuagint where it plainly indicates the direction of faith, Psalm lxxvii. 22; Jer. xii. 6.
6. With the preposition ejpi upon, on to, unto.
a. With the accusative, Rom. iv. 5; Acts ix. 42; xi. 17; xvi. 31; xxii. 19. The preposition carries the idea of mental direction with a view to resting upon, which latter idea is conveyed by the same preposition.
b. With the dative, 1 Tim. i. 16; Luke xxiv. 25; compare Romans ix. 33; x. 11; 1 Pet. ii. 6
. The dative expresses absolute superposition.