Ephesians 4
29 Let no corrupt word proceed out of your mouth, but what is good for necessary edification, that it may impart grace to the hearers. 

From my commentary:
The new man knows how to watch his tongue, speaking only what is good for necessary edification, desiring to impart grace to all who hear him.

I feel a lot of the commentaries think these words from Paul, are great idea’s for living a Godly life, instead of knowing these will directly impact your life in ways hard to explain.

Be angry but DON’T sin. Have money to give! Only speak edifying things.

I am even learning that we speak down on ourselves, which is NOT edifying.