The interplay between topology and quantum mechanics is a rich field of study that continues to surprise us with its depth and complexity.
你越是隐藏感受，它们就越明显。
The market is a pendulum that forever swings between unsustainable optimism (which makes stocks too expensive) and unjustified pessimism (which makes them too cheap). The intelligent investor is a realist who sells to optimists and buys from pessimists.