试着对事事都懂一点，对某事则无所不通。

You have to believe in your dreams before they can come true.

The world is full of people who will tell you what you can't do. You don't need them. You already know what you can't do. What you need is someone to tell you what you can.

解释：只要心胸坦荡，不必顾虑没有施展抱负的地方。