The world is oyster
the world is (one's) oyster
One can do anything one wants in life. You have so much talent at such a young age—the world is your oyster!
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
The world is one's oyster.
Fig. One rules the world.; One is in charge of everything. I feel like the world is my oyster today. The world is my oyster! I'm in love!
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.