I'm like a head trip to listen to, 'cause I'm only givin' you things you joke about with your friends inside your living room.
The only way to learn mathematics is to do mathematics.
物理学家的直觉就像复杂荒野中的指南针。
经济周期不仅仅是围绕确定性趋势的波动;它们代表了趋势本身的转变。