生产力的提高是社会进步的动力。

I'm not a role model, I'm just a guy who sings.

Failure is interesting — it’s part of making progress. You never learn from success, but you do learn from failure.

"A personality is a full congress of orators and pressure groups, of children, demagogues, communists, isolationists, war mongers, mugwumps, grafters, prayer-makers, adventurers and clerks; with each of these in a minority of one."