The idea that a bell rings to signal when investors should get into or out of the stock market is simply not credible.

I don't compete with anyone. I compete with myself.

当你足够和正确地努力了，幸福便会来敲门的。

解释：对上天表示恭敬，不仅是指态度上恭顺守礼，还应该具备实际内容。