It is the inevitable reaction from this state of tension which is responsible for much of the "naughtiness" of children.

The spontaneous energies of the child, when education has blocked all their lawful outlets, must needs force new outlets for themselves,--lawless outlets, if no others are available.

The child's instinct to live will see to that.

It sometimes happens that, when the channel of a river has been blocked by winter's ice, the river, on its awakening in Spring, will suddenly change its course and carve out a new channel for itself, reckless of the destruction that it may cause, so long as an outlet can by any means be found for its baffled current.

It is the same with the river of the child's expanding life.