Romans 10:14-15
But how are they to call on One in whom they have not believed? And how are they to believe in One whose voice they have never heard? And how are they to hear without a preacher?
Ephesians 4:29
Let no unwholesome words ever pass your lips, but let all your words be good for benefiting others according to the need of the moment, so that they may be a means of blessing to the hearers.
Treasury of Scripture Knowledge
Summary
There is gold, and a multitude of rubies: but the lips of knowledge are a precious jewel.
Bible References
But
Romans 10:14
But how are they to call on One in whom they have not believed? And how are they to believe in One whose voice they have never heard? And how are they to hear without a preacher?
Ephesians 4:29
Let no unwholesome words ever pass your lips, but let all your words be good for benefiting others according to the need of the moment, so that they may be a means of blessing to the hearers.