一个设计良好的系统是能够随着时间的推移而发展，而不需要大量的返工。
A well-designed system is one that can evolve over time without requiring significant rework.
【译文】如果不明事理，那么动就不知道往哪里去;如果不动，那么即使明白事理也没有用处。
We may encounter many defeats but we must not be defeated.
The key to successful investing is to have a clear understanding of the market, the risks involved, a disciplined approach, a long-term perspective, a strong understanding of the fundamentals, a clear understanding of the risks and rewards, and a strong understanding of the market psychology.
我们需要犯错的自由，承认错误的勇气，以及从中学习的智慧。