When a boy is playing with a sister younger than himself, _he_ is the one that is most to blame for the quarrelling.
His sister may be to blame by doing something wrong in the first instance; but he is the one to blame for allowing it to lead to a quarrel.

If it is a little thing, he ought to yield to her, and not to mind it; and if it is a great thing, he ought to go away and leave her, rather than to stop and quarrel about it.

So you see you will be the one to blame for the quarrel in almost all cases.

There may possibly be some cases where you will not be to blame at all, and then you will have to be punished when you don't deserve it, and you must bear it like a man.

This is a liability that happens under all systems." "We will try the plan for one fortnight," she continued.