Proverbs 16:22

Wisdom is a fountain of life for him that hath it; but the instruction of fools is folly.

Proverbs 10:11

The mouth of a righteous man is a fountain of life; but the mouth of the wicked covereth violence.

Proverbs 13:14

The teaching of the wise man is a fountain of life, to turn away from the snares of death.

Luke 6:39-40

And he spoke also a parable to them: Can a blind man lead a blind man? shall not both fall into the ditch?

John 5:24

Verily, verily, I say unto you, that he that hears my word, and believes him that has sent me, has life eternal, and does not come into judgment, but is passed out of death into life.

Proverbs 14:27

The fear of Jehovah is a fountain of life, to turn away from the snares of death.

Proverbs 15:2

The tongue of the wise useth knowledge aright; but the mouth of the foolish poureth out folly.

Proverbs 15:28

The heart of a righteous man studieth to answer; but the mouth of the wicked poureth out evil things.

Proverbs 18:4

The words of a man's mouth are deep waters, and the fountain of wisdom is a gushing brook.

Matthew 15:14

Leave them alone; they are blind leaders of blind: but if blind lead blind, both will fall into a ditch.

Matthew 23:16-26

Woe to you, blind guides, who say, Whosoever shall swear by the temple, it is nothing; but whosoever shall swear by the gold of the temple, he is a debtor.

John 6:63

It is the Spirit which quickens, the flesh profits nothing: the words which I have spoken unto you are spirit and are life.

John 6:68

Simon Peter answered him, Lord, to whom shall we go? thou hast words of life eternal;

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
The mouth of a righteous man is a fountain of life; but the mouth of the wicked covereth violence.
Proverbs 13:14
The teaching of the wise man is a fountain of life, to turn away from the snares of death.
Proverbs 14:27
The fear of Jehovah is a fountain of life, to turn away from the snares of death.
Proverbs 18:4
The words of a man's mouth are deep waters, and the fountain of wisdom is a gushing brook.
John 5:24
Verily, verily, I say unto you, that he that hears my word, and believes him that has sent me, has life eternal, and does not come into judgment, but is passed out of death into life.
John 6:63
It is the Spirit which quickens, the flesh profits nothing: the words which I have spoken unto you are spirit and are life.

The instruction

Proverbs 15:2
The tongue of the wise useth knowledge aright; but the mouth of the foolish poureth out folly.
Matthew 15:14
Leave them alone; they are blind leaders of blind: but if blind lead blind, both will fall into a ditch.
Matthew 23:16
Woe to you, blind guides, who say, Whosoever shall swear by the temple, it is nothing; but whosoever shall swear by the gold of the temple, he is a debtor.
Luke 6:39
And he spoke also a parable to them: Can a blind man lead a blind man? shall not both fall into the ditch?

General references

Proverbs 11:14
Where no advice is, the people fall; but in the multitude of counsellors there is safety.