One of the strongest subjects Solomon deals with in showing us 'how to live' is how we handle words and how we speak.
Your words are either bullets or blessings and when you open your mouth your mind is on parade. Solomon describes death producing speech as:
It has been stated that 70% of our conversation is to ourselves and 70% of that is negative. "To keep a person mentally healthy, it takes 12 positive statements to counter ONE negative statement".