Proverbs 25:19

Putting one's faith in a false man in time of trouble is like a broken tooth and a shaking foot.

Isaiah 36:6

See, you are basing your hope on that broken rod of Egypt, which will go into a man's hand if he makes use of it for a support; for so is Pharaoh, king of Egypt, to all who put their faith in him.

2 Chronicles 28:20-21

Then Tiglath-pileser, king of Assyria, came to him, but was a cause of trouble and not of strength to him.

Job 6:14-20

He whose heart is shut against his friend has given up the fear of the Ruler of all.

Isaiah 30:1-3

Ho! uncontrolled children, says the Lord, who give effect to a purpose which is not mine, and who make an agreement, but not by my spirit, increasing their sin:

Ezekiel 29:6-7

And it will be clear to all the people of Egypt that I am the Lord, because you have been a false support to the children of Israel.

2 Timothy 4:16

At my first meeting with my judges, no one took my part, but all went away from me. May it not be put to their account.

Treasury of Scripture Knowledge

Summary

Confidence in an unfaithful man in time of trouble is like a broken tooth, and a foot out of joint.

Bible References

General references

2 Chronicles 28:20
Then Tiglath-pileser, king of Assyria, came to him, but was a cause of trouble and not of strength to him.
Job 6:14
He whose heart is shut against his friend has given up the fear of the Ruler of all.
Isaiah 30:1
Ho! uncontrolled children, says the Lord, who give effect to a purpose which is not mine, and who make an agreement, but not by my spirit, increasing their sin:
Isaiah 36:6
See, you are basing your hope on that broken rod of Egypt, which will go into a man's hand if he makes use of it for a support; for so is Pharaoh, king of Egypt, to all who put their faith in him.
Ezekiel 29:6
And it will be clear to all the people of Egypt that I am the Lord, because you have been a false support to the children of Israel.
2 Timothy 4:16
At my first meeting with my judges, no one took my part, but all went away from me. May it not be put to their account.

Basic English, produced by Mr C. K. Ogden of the Orthological Institute - public domain