Tools have their purposes. You could use a screwdriver as a hammer, but it wouldn't be nearly as affective at that as it is at driving screws. More importantly, it's not available to fulfill its true purpose while its being used inconsistently with its design. Likewise, we've been made by a Creator with design and purpose. We get to choose to either misuse and abuse the way God has crafted us or make ourselves available to the Master. It's then that He can use us the way He truly intended to fulfill His work.