如果你想取得真正的进步，就必须愿意挑战现状。
You have to be willing to challenge the status quo if you want to make real progress.
Cognitive processes are rule-governed transformations of symbolic structures.
The challenge in learning is not just to memorize, but to generalize from specific examples to broader concepts.
The true genius shudders at incompleteness — and usually prefers silence to saying something which is not everything it ought to be.
You have to be willing to be alone to be a writer.
