1 Timothy 6:3

These things teach and exhort. If any one teach otherwise, and adhere not to the sound words of our Lord Jesus Christ, and the doctrine which is according to godliness;

Revelation 2:7

Let him, that hath an ear, hear what the Spirit saith unto the churches. To him that overcometh will I give to eat of the tree of life, which is in the midst of 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 tree

1 Timothy 6:3
These things teach and exhort. If any one teach otherwise, and adhere not to the sound words of our Lord Jesus Christ, and the doctrine which is according to godliness;
Revelation 2:7
Let him, that hath an ear, hear what the Spirit saith unto the churches. To him that overcometh will I give to eat of the tree of life, which is in the midst of the paradise of God.