Always be learning. The market is constantly changing, and you need to keep up with it.
永远在学习。市场在不断变化，你需要跟上它的步伐。
The founders of a new colony, whatever Utopia of human virtue and happiness they might originally project, have invariably recognized it among their earliest practical necessities to allot a portion of the virgin soil as a cemetery, and another portion as the site of a prison.