The galactic center is a unique natural experiment in strong gravity.
He who fights with monsters should be careful lest he thereby become a monster.
快乐的最好方法是做你自己。
Sometimes the simplest things are the most powerful.
Success is not final, failure is not fatal: It is the courage to continue that counts.
My life is an improvisational performance.
最好的买入股票的时机是当它便宜的时候，最好的卖出时机是当它昂贵的时候。