1 Timothy 6:3

If any teach otherwise, and consent not to sound words, those of our Lord Jesus Christ, and to the doctrine which is after godliness,

Revelation 2:7

He that hath an ear, let him hear what the Spirit saith to the churches. To him that overcometh will I give to eat of the tree of life, which is in the paradise of my 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 tree

1 Timothy 6:3
If any teach otherwise, and consent not to sound words, those of our Lord Jesus Christ, and to the doctrine which is after godliness,
Revelation 2:7
He that hath an ear, let him hear what the Spirit saith to the churches. To him that overcometh will I give to eat of the tree of life, which is in the paradise of my God.