What can we learn from the ruins of buildings? Corners are stronger than flat walls.
I think the same is true with the directions we choose in life. A single direction, straight and true, can serve a purpose. But every now and then we need to change course if we’re hoping for longevity.
And notice where two different building materials meet. The rock wall adds strength to the adobe wall.
Again, this principle can apply to life. People, organizations, ideas and such with differing properties can create something more lasting and beneficial together than they might create separately.
If nothing else, it breaks up the monotony.