Sky is the Limit Within Your Reach

Help your child to reach her dream.

Reach for the sky or The sky is the limit.

Set very high goals, aspire to the best, as in I'm sure they'll make you a partner, so reach for the sky. The sky here stands for high aspirations. Also, see the sky's the limit.
Put your hands up high, as in One robber held the teller at gunpoint, shouting “Reach for the sky!” This usage is always put as an imperative. [Slang; mid-1900s]

More examples in The Free Dictionary by Farlex

Reach for the sky

Sky's the limit

Motivated Parent - Successful Child