What does the cornerstone in Masons stand for?

In Masonry, the cornerstone symbolizes the foundation of moral and ethical principles upon which a Mason builds their life. It represents the values of integrity, honesty, and community, serving as a reminder of the importance of personal character and responsibility. The cornerstone also signifies the beginning of a new construction, both literally and metaphorically, marking the start of a journey toward self-improvement and enlightenment.