What we learn from history is that people don't learn from history.
To love is to suffer, but to suffer is also to love.
A financial crisis is often a self-fulfilling prophecy driven by panic.
You can't knock on opportunity's door and not be ready.
Mental life is a continuous adjustment to internal and external demands.
最好的水果来自最好的实践；绝不能在标准上妥协。