Princes are like heavenly bodies, which cause good or evil times, and which have much veneration, but no rest.
Francis BaconFor many parts of Nature can neither be invented with sufficient subtlety, nor demonstrated with sufficient perspicuity, nor accommodated unto use with sufficient dexterity, without the aid and intervening of the mathematics, of which sort are perspective, music, astronomy, cosmography, architecture, engineery, and divers others.
Francis Bacon