一个没有书的房间就像一具没有灵魂的躯体。
数学的力量在于它的普遍性和抽象性。
The best time to plant a tree was 20 years ago. The second best time is now.
Efficient market theory is correct in that there are no gross inefficiencies, but we look at anomalies that may be small in size and brief in time.
"The past is never dead. It's not even past."