The key to managing complexity is to focus on the interfaces between components, not their internal details.
The danger of the past was that men became slaves. The danger of the future is that men may become robots.
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.