"We are all broken by something. We have all been hurt by life in some way. But we can be mended. We can be made whole again."
The solution of a problem appears suddenly and is not approached by a gradual, step-by-step procedure.
The concept of nondeterminism in computation is one of the most important ideas in computer science.
The study of black holes has led us to the edge of our understanding, where the known laws of physics break down and new theories must emerge.