Proverbs 15:4

Gentleness of tongue is a tree of life, but perverseness in it [causes] a break in spirit.

Proverbs 3:18

She is a tree of life for those who seize her; those who take hold of her are considered happy.

Proverbs 12:18

There is one who speaks rashly, like the thrust of a sword, but the tongue of the wise brings healing.

Genesis 3:22-24

And Yahweh God said, "Look--the man has become as one of us, to know good and evil. {What if} he stretches out his hand and takes also from the tree of life and eats, and lives forever?"

Psalm 52:2-4

Your tongue plans destruction, like a sharp razor, working deceit.

Psalm 109:22

for I [am] poor and needy, and my heart is wounded within me.

Proverbs 16:24

Pleasant sayings [are] a honeycomb, sweetness to the soul and healing to the bones.

Proverbs 18:8

The words of a whisper [are] like delicious morsels, and they themselves go down [to] inner parts of the body.

Proverbs 18:14

The spirit of a man will endure his sickness, but a broken spirit, who may bear it?

Proverbs 26:22

The words of a whisperer [are] like delicious morsels, and they go down to the inner parts of the body.

Malachi 4:2

But for you who revere my name, the sun of righteousness will rise, with healing in its wings, and you will go out and leap like {fattened calves}.

1 Timothy 6:3

If anyone teaches other doctrine and does not devote himself to the sound words of our Lord Jesus Christ and the teaching [that is] in accordance with godliness,

Revelation 2:7

The one who has an ear, let him hear what the Spirit says to the churches. To the one who conquers, I will grant to him to eat from the tree of life which is in the paradise of God.'

Treasury of Scripture Knowledge

Summary

A wholesome tongue is a tree of life: but perverseness therein is a breach in the spirit.

Bible References

A wholesome

Proverbs 12:18
There is one who speaks rashly, like the thrust of a sword, but the tongue of the wise brings healing.
Proverbs 16:24
Pleasant sayings [are] a honeycomb, sweetness to the soul and healing to the bones.
Malachi 4:2
But for you who revere my name, the sun of righteousness will rise, with healing in its wings, and you will go out and leap like {fattened calves}.

A tree

Proverbs 3:18
She is a tree of life for those who seize her; those who take hold of her are considered happy.
Genesis 3:22
And Yahweh God said, "Look--the man has become as one of us, to know good and evil. {What if} he stretches out his hand and takes also from the tree of life and eats, and lives forever?"
1 Timothy 6:3
If anyone teaches other doctrine and does not devote himself to the sound words of our Lord Jesus Christ and the teaching [that is] in accordance with godliness,
Revelation 2:7
The one who has an ear, let him hear what the Spirit says to the churches. To the one who conquers, I will grant to him to eat from the tree of life which is in the paradise of God.'

A breach

Proverbs 18:8
The words of a whisper [are] like delicious morsels, and they themselves go down [to] inner parts of the body.
Proverbs 26:22
The words of a whisperer [are] like delicious morsels, and they go down to the inner parts of the body.
Psalm 52:2
Your tongue plans destruction, like a sharp razor, working deceit.
Psalm 109:22
for I [am] poor and needy, and my heart is wounded within me.