Beauty is that to what the human mind responds at its deepest and most profound.
Subrahmanyan ChandrasekharThe black holes of nature are the most perfect macroscopic objects there are in the universe: the only elements in their construction are our concepts of space and time.
Subrahmanyan ChandrasekharMacroscopic objects, as we see them all around us, are governed by a variety of forces, derived from a variety of approximations to a variety of physical theories. In contrast, the only elements in the construction of black holes are our basic concepts of space and time. They are, thus, almost by definition, the most perfect macroscopic objects there are in the universe.
Subrahmanyan Chandrasekhar