The AdS/CFT correspondence is a powerful tool for understanding quantum gravity.
【译文】 孔子说:“吃粗粮、喝白水、弯着胳膊当枕头,乐也在其中了!缺少仁义的富贵,对我来说,就象天上的浮云。”
Follow your heart, and use it to lead your life. Anything else is secondary.
最成功的建筑是那些随时间演变以满足不断变化需求的建筑。