The sciences are small power; because not eminent; and therefore, not acknowledged in any man; nor are at all, but in a few, and in them, but of a few things. For science is of that nature, as none can understand it to be, but such as in a good measure have attained it.

Arts of public use, as fortification, making of engines, and other instruments of war; because they confer to defence and victory, are power: and though the true mother of them be science, namely the mathematics; yet, because they are brought into the light by the hand of the artificer, they be esteemed, the midwife passing with the vulgar for the mother, as his issue.