Proverbs 16:22

A fountain of life is understanding to its possessors, The instruction of fools is folly.

Proverbs 10:11

A fountain of life is the mouth of the righteous, And the mouth of the wicked cover doth violence.

Proverbs 13:14

The law of the wise is a fountain of life, To turn aside from snares of death.

Luke 6:39-40

And he spake a simile to them, 'Is blind able to lead blind? shall they not both fall into a pit?

John 5:24

Verily, verily, I say to you -- He who is hearing my word, and is believing Him who sent me, hath life age-during, and to judgment he doth not come, but hath passed out of the death to the life.

Proverbs 14:27

The fear of Jehovah is a fountain of life, To turn aside from snares of death.

Proverbs 15:2

The tongue of the wise maketh knowledge good, And the mouth of fools uttereth folly.

Proverbs 15:28

The heart of the righteous meditateth to answer, And the mouth of the wicked uttereth evil things.

Proverbs 18:4

Deep waters are the words of a man's mouth, The fountain of wisdom is a flowing brook.

Matthew 15:14

let them alone, guides they are -- blind of blind; and if blind may guide blind, both into a ditch shall fall.'

Matthew 23:16-26

Woe to you, blind guides, who are saying, Whoever may swear by the sanctuary, it is nothing, but whoever may swear by the gold of the sanctuary -- is debtor!

John 6:63

the spirit it is that is giving life; the flesh doth not profit anything; the sayings that I speak to you are spirit, and they are life;

John 6:68

Simon Peter, therefore, answered him, 'Sir, unto whom shall we go? thou hast sayings of life age-during;

Treasury of Scripture Knowledge

Summary

Understanding is a wellspring of life unto him that hath it: but the instruction of fools is folly.

General references

Bible References

A well-spring

Proverbs 10:11
A fountain of life is the mouth of the righteous, And the mouth of the wicked cover doth violence.
Proverbs 13:14
The law of the wise is a fountain of life, To turn aside from snares of death.
Proverbs 14:27
The fear of Jehovah is a fountain of life, To turn aside from snares of death.
Proverbs 18:4
Deep waters are the words of a man's mouth, The fountain of wisdom is a flowing brook.
John 5:24
Verily, verily, I say to you -- He who is hearing my word, and is believing Him who sent me, hath life age-during, and to judgment he doth not come, but hath passed out of the death to the life.
John 6:63
the spirit it is that is giving life; the flesh doth not profit anything; the sayings that I speak to you are spirit, and they are life;

The instruction

Proverbs 15:2
The tongue of the wise maketh knowledge good, And the mouth of fools uttereth folly.
Matthew 15:14
let them alone, guides they are -- blind of blind; and if blind may guide blind, both into a ditch shall fall.'
Matthew 23:16
Woe to you, blind guides, who are saying, Whoever may swear by the sanctuary, it is nothing, but whoever may swear by the gold of the sanctuary -- is debtor!
Luke 6:39
And he spake a simile to them, 'Is blind able to lead blind? shall they not both fall into a pit?

General references

Proverbs 11:14
Without counsels do a people fall, And deliverance is in a multitude of counsellors.