1 John 3:19
and hereby we know that we are of the truth, and in his presence have this persuasion in our hearts.
John 13:35
By this shall all men know that ye are my disciples, if ye have love one to another.
John 18:37
Then said Pilate unto him. Art thou not a king then? Jesus answered, Thou sayest that I am a king. For this end I was born, and for this I came into the world, that I should be a witness for the truth. Every one who is of the truth heareth my voice.
Romans 4:21
and enjoyed the fullest assurance, that what he had promised, he was able also to perform.
Romans 8:38
For I am assured that neither death, nor life, nor angels, nor principalities, nor powers, nor things present, nor those to come,
2 Timothy 1:12
For which cause also I suffer these things; but I am not ashamed: for I know on whom I have placed my confidence, and am persuaded that he is mighty to guard my deposit unto the great day.
Hebrews 6:10-11
For God is not unjust, to forget your work and labour of love, which ye have demonstrated in his name, having ministered assistance to the saints, and still ministering.
Hebrews 10:22
let us come to him with a true heart, in full assurance of faith, having our hearts sprinkled from an evil conscience, and the body washed with pure water:
Hebrews 11:13
All these died in faith, not having received the promises, but beholding them at a great distance, though believing and embracing them, and confessing that they were strangers and sojourners in the land.
1 John 1:8
If we say that we have no sin, we deceive ourselves, and the truth is not in us.
1 John 3:14
We know that we are passed out of [a state of] death into life, because we love the brethren: he that loveth not his brother abideth in death.
1 John 3:21
Beloved, if our heart condemn us not, we have confidence towards God.