The block of granite which was an obstacle in the pathway of the weak becomes a stepping-stone in the pathway of the strong.

Summary

This quote suggests that what may appear as a hindrance or obstacle to someone who is weak or lacks strength can be transformed into an opportunity or advantage for someone who is strong and resilient. The metaphor used of a block of granite implies a solid and immovable obstacle, but it also highlights the adaptability and creativity of the strong. They can view challenges as stepping stones, finding ways to overcome them and use them as a means to progress and achieve their goals.