If the job has been correctly done when a common stock is purchased, the time to sell it is—almost never.
我训练,我专注,我相信,我实现。
再试,再失败,更好地失败。
在科学的道路上,失败和成功同样重要,它们都是通向真理的阶梯。
The wise man knows how to possess, not only how to get.