Kenny
Favorite Answer
I would say that this limit does not refer to the universe. this is about optimism.
EuropaObjective ®
It's just an expression. But you will not find where the sky "limits" in a lifetime, therefore there is no limits.
It's just a saying.
Irv S
Touch the sky.
Anonymous
Because poetic license has nothing to do with science.
Sometimes people just need to chill and not worry about the "accuracy" of old sayings.
DrDave
Who said it was never ending to begin with? Your question makes about as much sense as a fish riding a bicycle.