Anything big is small at the beginning.
More Hungarian Proverbs:
Sheepskin coat to sheepskin coat, cloth coat to cloth coat.Hungarian
He builds castles in the air.
Hungarian
You haven't yet caught the bird, still you are already plucking her.
Hungarian
He has a finger in every pie.
Hungarian
The place of an unbidden guest is behind the door.
Hungarian
If you want something, go yourself, if not, send somebody else.
Hungarian