581.

These two: the code renowned, and spies,

In these let king confide as eyes.

582.

Each day, of every subject every deed,

'Tis duty of the king to learn with speed.

583.

By spies who spies, not weighing things they bring,

Nothing can victory give to that unwary king.

584.

His officers, his friends, his enemies,

All these who watch are trusty spies.

585.

Of unsuspected mien and all-unfearing eyes,

Who let no secret out, are trusty spies.

586.

As monk or devotee, through every hindrance making way,

A spy, whate'er men do, must watchful mind display.

587.

A spy must search each hidden matter out,

And full report must render, free from doubt.

588.

Spying by spies, the things they tell

To test by other spies is well.

589.

One spy must not another see: contrive it so;

And things by three confirmed as truth you know.

590.

Reward not trusty spy in others' sight,

Or all the mystery will come to light.