Basis of assurance

Assurance is based upon the certain knowledge of God

Assurance comes from knowing God through creation

Romans 1:19–20 KJV 1900

Because that which may be known of God is manifest in them; for God hath shewed it unto them. For the invisible things of him from the creation of the world are clearly seen, being understood by the things that are made, even his eternal power and Godhead; so that they are without excuse:

See also Ps 19:1–4; Ac 14:17

Assurance comes from knowing God through his mighty acts

Ex 6:7; Eze 37:13–14

See also Ex 16:12; Ex 29:46; Jos 3:10–13; 1 Ki 20:13; Is 49:23; Is 60:16; Eze 20:42; Eze 28:26

Assurance is based upon the certainty of God’s word

Jn 17:8; 1 Jn 5:9–10

Assurance because of God’s oath

Hebrews 6:17 KJV 1900

Wherein God, willing more abundantly to shew unto the heirs of promise the immutability of his counsel, confirmed it by an oath:

See also Ge 50:24; Dt 4:31; Dt 7:7–9; Ac 2:30; Heb 7:21

Assurance because of God’s promise

Jos 1:9; Ro 4:20–21

See also Jos 23:10; Jos 23:14; 2 Sa 7:25–26; 1 Ki 8:56; Ps 145:13; Is 33:6; Heb 13:5; Jas 1:12; Jas 2:5

Assurance is based upon God’s vindication of his Son

Assurance because of the resurrection of Jesus Christ

Ac 2:32; Ac 17:31

See also Ac 1:3; Ac 1:22; Ac 10:39–41; Ac 13:30–31; Ro 1:4; 1 Co 15:3–7; 1 Pe 1:3

Assurance because of the miracles of Jesus Christ

Mt 11:2–6; Jn 4:48; Jn 10:38; Jn 14:11; Jn 20:30–31

Assurance comes through the work of the Holy Spirit

The Holy Spirit assures believers by enabling outward demonstrations of God’s power

Hebrews 2:4 KJV 1900

God also bearing them witness, both with signs and wonders, and with divers miracles, and gifts of the Holy Ghost, according to his own will?

See also Mk 16:17–18; 2 Co 3:2–3; 1 Th 1:5

The Holy Spirit assures believers by giving inward conviction

Ro 8:16; 1 Jn 4:13

See also Jn 15:26; Jn 16:8–11; Ac 5:32; Ga 4:6

The Holy Spirit assures believers by sealing God’s promise

Ephesians 1:13–14 KJV 1900

In whom ye also trusted, after that ye heard the word of truth, the gospel of your salvation: in whom also after that ye believed, ye were sealed with that holy Spirit of promise, Which is the earnest of our inheritance until the redemption of the purchased possession, unto the praise of his glory.

See also Ac 15:8; Ro 5:5; 2 Co 1:22; 2 Co 5:5; Eph 4:30; 1 Jn 3:24

Assurance based upon the testimony of God’s people

Assurance because of the testimony of eye-witnesses

2 Peter 1:16–19 KJV 1900

For we have not followed cunningly devised fables, when we made known unto you the power and coming of our Lord Jesus Christ, but were eyewitnesses of his majesty. For he received from God the Father honour and glory, when there came such a voice to him from the excellent glory, This is my beloved Son, in whom I am well pleased. And this voice which came from heaven we heard, when we were with him in the holy mount. We have also a more sure word of prophecy; whereunto ye do well that ye take heed, as unto a light that shineth in a dark place, until the day dawn, and the day star arise in your hearts:

See also Ex 10:2; Lk 1:2–4; Jn 1:32–34; Jn 15:27; Jn 19:35; Ac 1:22; Ac 4:20; 1 Pe 5:1

Assurance because of the testimony of the apostles

Ac 22:14–15; 1 Co 1:6; 1 Co 2:1; 1 Th 2:13; 1 Ti 2:5–7; Re 1:2

Assurance is based upon godly living

1 John 2:3–5 KJV 1900

And hereby we do know that we know him, if we keep his commandments. He that saith, I know him, and keepeth not his commandments, is a liar, and the truth is not in him. But whoso keepeth his word, in him verily is the love of God perfected: hereby know we that we are in him.

See also 1 Jn 2:23 right belief about Jesus Christ; 1 Jn 2:29 righteousness

Not continuing in sin:

1 Jn 3:9; 1 Jn 5:18

1 Jn 3:14–20 love for fellow believers; 1 Jn 5:1 love for God the Father and God the Son