没伞的孩子必须奔跑
[méi săn de hái zi bì xū bēn păo]
'The Kid Without an Umbrella Must Run' implies those who have no 'protection' from rain need to run to protect themselves as fast as possible. Here, it's usually used to motivate young ones or anyone starting from scratch, without help or assistance, to be more diligent and self-reliant