Matthew 12:36-37

So I tell you, for every worthless word that men utter they will have to give account on the day of judgment;

Colossians 4:6

Always let your conversation be seasoned with salt, that is, with winsomeness, so that you may know how to make a fitting answer to everyone.

1 Timothy 6:4-5

he is a conceited ignoramus with a morbid appetite for discussions and controversies which lead to envy, quarreling, abuse, base suspicions,

Treasury of Scripture Knowledge

Summary

Should he reason with unprofitable talk? or with speeches wherewith he can do no good?

Bible References

He reason

Matthew 12:36
So I tell you, for every worthless word that men utter they will have to give account on the day of judgment;
Colossians 4:6
Always let your conversation be seasoned with salt, that is, with winsomeness, so that you may know how to make a fitting answer to everyone.
1 Timothy 6:4
he is a conceited ignoramus with a morbid appetite for discussions and controversies which lead to envy, quarreling, abuse, base suspicions,