Mathematics is not just about numbers, equations, computations, or algorithms: it is about understanding.
The bond market is the ultimate barometer of market psychology.
"Language is not just a tool; it's a home for the displaced."
如果你不冒险,你将永远为那些敢于冒险的人工作。
使变量可变很容易。控制恒定的持续时间是诀窍。