Micah 7:5

Believe not in a friend, trust not in a leader, From her who is lying in thy bosom keep the openings of thy mouth.

Jeremiah 9:4

Each of his friend -- beware ye, And on any brother, do not trust, For every brother doth utterly supplant, For every friend slanderously doth walk,

Judges 16:5-20

and the princes of the Philistines come up unto her, and say to her, 'Entice him, and see wherein his great power is, and wherein we are able for him -- and we have bound him to afflict him, and we -- we give to thee, each one, eleven hundred silverlings.'

Job 6:14-15

To a despiser of his friends is shame, And the fear of the Mighty he forsaketh.

Psalm 118:8-9

Better to take refuge in Jehovah than to trust in man,

Matthew 10:16

'Lo, I do send you forth as sheep in the midst of wolves, be ye therefore wise as the serpents, and simple as the doves.

Treasury of Scripture Knowledge

Summary

Trust ye not in a friend, put ye not confidence in a guide: keep the doors of thy mouth from her that lieth in thy bosom.

Bible References

Ye not in

Job 6:14
To a despiser of his friends is shame, And the fear of the Mighty he forsaketh.
Psalm 118:8
Better to take refuge in Jehovah than to trust in man,
Jeremiah 9:4
Each of his friend -- beware ye, And on any brother, do not trust, For every brother doth utterly supplant, For every friend slanderously doth walk,
Matthew 10:16
'Lo, I do send you forth as sheep in the midst of wolves, be ye therefore wise as the serpents, and simple as the doves.

Keep

Judges 16:5
and the princes of the Philistines come up unto her, and say to her, 'Entice him, and see wherein his great power is, and wherein we are able for him -- and we have bound him to afflict him, and we -- we give to thee, each one, eleven hundred silverlings.'

General references

Judges 16:6
And Delilah saith unto Samson, 'Declare, I pray thee, to me, wherein thy great power is, and wherewith thou art bound, to afflict thee.'
Psalm 118:8
Better to take refuge in Jehovah than to trust in man,
Proverbs 29:11
A fool bringeth out all his mind, And the wise till afterwards restraineth it.
Isaiah 59:14
And removed backward is judgment, And righteousness afar off standeth, For truth hath been feeble in the street, And straightforwardness is not able to enter,
Matthew 10:35
for I came to set a man at variance against his father, and a daughter against her mother, and a daughter-in-law against her mother-in-law,
Mark 13:12
'And brother shall deliver up brother to death, and father child, and children shall rise up against parents, and shall put them to death,
Luke 12:52
for there shall be henceforth five in one house divided -- three against two, and two against three;
Luke 22:21
But, lo, the hand of him delivering me up is with me on the table,
John 7:5
for not even were his brethren believing in him.