But borrowing strength builds weakness. Autor: Stephen R. Covey Copy Quote More from Stephen R. Covey “To change ourselves effectively, we first had to change our perceptions.” “Knowledge is the theoretical paradigm, the what to do and the why. Skill is the…” “We must look at the lens through we see the world, as well as the world we see,…” “You can buy a person's hand, but you can't buy his heart. His heart is where hi…”