What does the Bible say about Truth?

Old Testament

"a God of truth and without iniquity, just and right is he." -- Deut 32:4

" the LORD God, ... abundant in goodness and truth" -- Exodus 34:6

"... his truth shall be thy shield and buckler" -- Psalm 91:4

"thou hast redeemed me, O LORD God of truth." -- Psalm 31:5

New Testament

"... the truth shall make you free." -- John 8:32

"Jesus saith unto him, 'I am ... the truth." -- John 14:6

"the Spirit of truth ... shall be in you." -- John 14:17

" ... when he, the Spirit of truth, is come, he will guide you into all truth" -- John 16:13

"... Every one that is of the truth heareth my voice." -- John 18:37

" ... the Spirit is truth." -- 1 John 5:6

What truth did Jesus speak?

Jhn 3:3 Jesus answered and said unto him, Verily, verily, I say unto thee, Except a man be born again, he cannot see the kingdom of God.

Jhn 3:5 Jesus answered, Verily, verily, I say unto thee, Except a man be born of water and [of] the Spirit, he cannot enter into the kingdom of God.

Jhn 3:11 Verily, verily, I say unto thee, We speak that we do know, and testify that we have seen; and ye receive not our witness.

Jhn 5:24 Verily, verily, I say unto you, He that heareth my word, and believeth on him that sent me, hath everlasting life, and shall not come into condemnation; but is passed from death unto life.

Jhn 5:25 Verily, verily, I say unto you, The hour is coming, and now is, when the dead shall hear the voice of the Son of God: and they that hear shall live.

Jhn 6:47 Verily, verily, I say unto you, He that believeth on me hath everlasting life.

Jhn 6:53 Then Jesus said unto them, Verily, verily, I say unto you, Except ye eat the flesh of the Son of man, and drink his blood, ye have no life in you.

Jhn 8:51 Verily, verily, I say unto you, If a man keep my saying, he shall never see death.

Jhn 8:58 Jesus said unto them, Verily, verily, I say unto you, Before Abraham was, I am.

Jhn 10:1 Verily, verily, I say unto you, He that entereth not by the door into the sheepfold, but climbeth up some other way, the same is a thief and a robber.

Jhn 10:7 Then said Jesus unto them again, Verily, verily, I say unto you, I am the door of the sheep.

Jhn 12:24 Verily, verily, I say unto you, Except a corn of wheat fall into the ground and die, it abideth alone: but if it die, it bringeth forth much fruit.

Jhn 13:20 Verily, verily, I say unto you, He that receiveth whomsoever I send receiveth me; and he that receiveth me receiveth him that sent me.

Jhn 14:12 Verily, verily, I say unto you, He that believeth on me, the works that I do shall he do also; and greater [works] than these shall he do; because I go unto my Father.

Jhn 16:20 Verily, verily, I say unto you, That ye shall weep and lament, but the world shall rejoice: and ye shall be sorrowful, but your sorrow shall be turned into joy.

Jhn 16:23 And in that day ye shall ask me nothing. Verily, verily, I say unto you, Whatsoever ye shall ask the Father in my name, he will give [it] you.

Source verse

Deut 32:4

He is the Rock, his work is perfect: for all his ways are judgment: a God of truth and without iniquity, just and right is he.

Exodus 34:6

And the LORD passed by before him, and proclaimed, The LORD, The LORD God, merciful and gracious, longsuffering, and abundant in goodness and truth,

Psalm 91:4

He shall cover thee with his feathers, and under his wings shalt thou trust: his truth shall be thy shield and buckler.

Psalm 31:5

Into thine hand I commit my spirit: thou hast redeemed me, O LORD God of truth.

John 8:32

And ye shall know the truth, and the truth shall make you free.

John 14:6

Jesus saith unto him, I am the way, the truth, and the life: no man cometh unto the Father, but by me.

John 14:17

Even the Spirit of truth; whom the world cannot receive, because it seeth him not, neither knoweth him: but ye know him; for he dwelleth with you, and shall be in you.

John 16:13

Howbeit when he, the Spirit of truth, is come, he will guide you into all truth: for he shall not speak of himself; but whatsoever he shall hear, that shall he speak: and he will shew you things to come.

John 18:37

Pilate therefore said unto him, Art thou a king then? Jesus answered, Thou sayest that I am a king. To this end was I born, and for this cause came I into the world, that I should bear witness unto the truth. Every one that is of the truth heareth my voice.

1 John 5:6

This is he that came by water and blood, even Jesus Christ; not by water only, but by water and blood. And it is the Spirit that beareth witness, because the Spirit is truth.