what common phrase is represented by below lines
Easy going:
Weak, 'I'm going.'
Tough, 'I'm staying.'
Medium going:
Weak, 'I'm going.'
Tough, 'I'm staying.'
Tough going:
Weak, 'I can't do it, I'm staying!'
Tough, 'Let's get going.'
When the going gets tough, the tough get going.
