The Sky is the limit

The sky is the limit" when there is almost no limit to how far you can go in what you are doing. Example: "For people who work hard at this company, the sky's the limit."
"if you have a graduate degree in law, the sky is the limit."
Meaning there is nothing can limite or block your future.

In chinese way, we often say 前途無限， “大把前景”，

2008-02-10 14:02:27 補充：
you are welcome!