Franklin's whole career was changed by a torn copy of Cotton Mather's Essays to Do Good.

Taking up a stone to throw at a turtle was the turning point in Theodore Parker's life.

As he raised the stone something within him said, "Don't do it," and he didn't.

He went home and asked his mother what it was in him that said "don't." She told him it was conscience.

Small things become great when a great soul sees them.