I think a common intellectual theme occurring during this time was that connection between art, humans and nature is coming into awareness and artists were able to begin to incorporate this into the works. They are is a lot of contemplating on a greater meaning of existence what exactly it means to be human. And by this work being timeless i am referring to its ability to always reflect inward to the viewer no matter what is currently relevant to them in their life, and to provide a deeper level of thought on the existence of reality.