Those who can't use their head must use their back.
Salti al navigilo Salti al serĉilo
- tiuj, kiuj ne kapablas uzi sian kapon, devas ĝin porti
- When he realised that he had forgot his wallet, he had to return to his flat and so couldn't reach the train. As you can see again, those who can't use their head must use their back!