当你怀疑自己是否能飞的那一刻，你就永远失去了飞翔的能力。
The moment you doubt whether you can fly, you cease for ever to be able to do it.
真相很少是纯粹的，也从来不简单。
The land teaches patience; the market teaches agility.
Don't be afraid to take risks and step out of your comfort zone.