Sharpening Our Effectiveness In This Secular World Back in my school days, I used pencils to write down notes, solve math problems, and to make free-hand drawings. Why use a pen, permanent marker, or another definitive writing tool when I could make a mistake at any point? Using a pencil gave me the grace to do what I needed to do, erase any mistakes I made along the way, and to continue with my task. As Believers, we are figurative 'pencils' -- living in a fleshy vessel, wit