Did you ever have a teacher who had a treasure chest in her room, and a reward for some students was to open that treasure chest, search through it and find something they wanted? Or, have you ever seen a movie in which the characters found a treasure and started digging through it to see what they could find? The Bible says that you have a 
treasure (in your heart).
There are a number of treasures that God has given to us, but few are as deep and as complex and as influential as the treasure of our hearts. What sort of things are found in and come out of the treasure of your heart? It all depends on what kind of treasure you have.
“A good man out of the good treasure of his heart brings forth good; and an evil man out of the evil treasure of his heart brings forth evil. For out of the abundance of the heart his mouth speaks” (Luke 6:45). Is your heart a “good treasure” or an “evil treasure”? You can answer that by looking at what comes out of it. Are others being blessed by your treasure?