Aim for the stars!

aim for the stars

Don't limit yourself—aspire to achieve greatness, even if it seems impossible or impractical. When choosing a career path, don't settle—aim for the stars!
See also: aim, star
Farlex Dictionary of Idioms.

Aim for the stars!

 and Reach for the stars!
Aspire to something!; Set one's goals high! Aim for the stars, son! Don't settle for second best. Set your sights high. Reach for the stars!
See also: aim
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.
See also:
  • aim for the stars
  • cart before the horse, don't put/set the
  • (I) won't tell a soul
  • don't get me wrong
  • don't beat a dead horse
  • all in (one's) head
  • come it
  • come it (with one)
  • a thing you don't want is dear at any price