One of my favourite idioms is 'The sky is the limit'. It refer | ✈️Aviation English

One of my favourite idioms is "The sky is the limit".
It refers to great possibilities that we have. A person can reach any goals and hights because the only limit for him/her is the sky.And sky is infinite.
E.g.
For people who work hard,the sky is the limit.

Has he got a promotion?Has he become a chief pilot?- He has.The sky is the limit for him.

My slogan is "keep going forward-the sky is the limit".