Innovation is not just about creating something new; it's about improving what already exists.
最好的策略是足够灵活以适应变化。
The best traders are those who can adapt to changing market conditions.
经济学的第一课是稀缺:从来没有足够的任何一种东西能够满足所有人对其需要。政治学的第一课是摒弃经济学的第一课。