Before you hit send on that email, think again. Re-read it and make sure nothing can be interpreted negatively. Once you hit send you cannot take it back.
Before you start a conversation with someone you feel has wronged you, think again about the situation from their perspective and see if you can relate to what might be going on in their head.
Before you beat yourself up for a lost business deal, an argument with your spouse, an unhappy customer or a goal you failed to reach, think again about all the amazing accomplishments in your life and don't be so hard on yourself.
Are there other instances where you should think again? Please share them in the comments below.