Think big!

Idiom: "(to) think big"

Definition:

to set high goals

Examples:

1) Why do you want to work for someone?  Think big and run your own company.

2) Emma hopes to create a popular website to sell to Google.  She’s always thinking big.

中文解释： http://www.youzienglish.com/main/idiom_of_the_day/to_think_big/cn/