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How then will he who takes up a shield or other implement of war

become a good fighter all in a day, whether with heavy-armed or

any other kind of troops?

Yes, he said, the tools which would teach men their own use would

be beyond price.

And the higher the duties of the guardian, I said, the more time,

and skill, and art, and application will be needed by him?

No doubt, he replied.

Will he not also require natural aptitude for his calling?

Certainly.

Then it will be our duty to select, if we can, natures which are

fitted for the task of guarding the city?

It will.

And the selection will be no easy matter, I said; but we must be

brave and do our best.

We must.

Is not the noble youth very like a well-bred dog in respect of

guarding and watching?

What do you mean?

I mean that both of them ought to be quick to see, and swift to

overtake the enemy when they see him; and strong too if, when

they have caught him, they have to fight with him.