Grace vs. Truth

Which one do I tell myself, grace or truth? Of all the people I listen to or hear and messages that I see, I am the one who talks to me the most. I talk to myself all day. I am constantly thinking about my choices and words. I tell myself what I think of those choices. Sometimes I barely realize that I am talking to myself. So of all the content that I feed me, is it grace or truth? 

Naturally I do neither. It is so easy to lie to myself. I excuse myself to myself to make me fell better about m