But borrowing strength builds weakness. Autore: Stephen R. Covey Copy Quote More from Stephen R. Covey “Principles are the territory. Values are maps. When we value correct principles…” “Happiness, like unhappiness, is a proactive choice.” “If the ladder is not leaning against the right wall, every step we take just ge…” “I think the most significant work we'll do in our whole life, in our whole worl…”