Four years long and more, when most other youths in his position and at that epoch would have been alternating between frivolous pleasures and brilliant exploits in the field, the young prince had spent laborious days and nights with the learned Simon Stevinus of Bruges.

The scientific work which they composed in common, the credit of which the master assigned to the pupil, might have been more justly attributed perhaps to the professor than to the prince, but it is certain that Maurice was an apt scholar.
In that country, ever held in existence by main human force against the elements, the arts of engineering, hydrostatics and kindred branches were of necessity much cultivated.

It was reserved for the young mathematician to make them as potent against a human foe.
Moreover, there were symptoms that the military discipline, learning and practical skill, which had almost made Spain the mistress of the world, were sinking into decay.

Farnese, although still in the prime of life, was broken in health, and there seemed no one fit to take the place of himself and his lieutenants when they should be removed from the scene where they had played their parts so consummately.

The army of the Netherlands was still to be created.