1 Timothy 6:3

So teach and exhort. If any one is a teacher of any other kind of doctrine, and refuses assent to wholesome instructions--those of our Lord Jesus Christ--and the teaching that harmonizes with true godliness,

Revelation 2:7

"'Let all who have ears give heed to what the Spirit is saying to the Churches. To him who overcomes I will give the privilege of eating the fruit of 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 tree

1 Timothy 6:3
So teach and exhort. If any one is a teacher of any other kind of doctrine, and refuses assent to wholesome instructions--those of our Lord Jesus Christ--and the teaching that harmonizes with true godliness,
Revelation 2:7
"'Let all who have ears give heed to what the Spirit is saying to the Churches. To him who overcomes I will give the privilege of eating the fruit of the Tree of Life, which is in the Paradise of God.'