Learning is any change in a system that produces a more or less permanent change in its capacity for adapting to its environment.
"The best cinematography is invisible; it serves the story without drawing attention to itself."
The pursuit of mathematical truth requires both intuition and rigor.
The heart of another is a dark forest, always, no matter how close it has been to one's own.
Our wisdom comes from our experience, and our experience comes from our foolishness.