the sky is the limit

US /ðə skaɪ ɪz ðə ˈlɪmɪt/
UK /ðə skaɪ ɪz ðə ˈlɪmɪt/
"the sky is the limit" picture
1.

there is no limit to what can be achieved or done

:
With your talent and dedication, the sky is the limit for your career.
Our new product has been so successful that the sky is the limit for future growth.