Science was born, and the warfare between scientific positivism and religious metaphysic was declared.

Henceforth God could not be worshiped under the forms and idols of a sacerdotal fancy; a new meaning had been given to the words: 'God is a Spirit, and they that worship Him must worship Him in spirit and in truth.' The reason of man was at last able to study the scheme of the universe, of which he is a part, and to ascertain the actual laws by which it is governed.

Three centuries and a half have elapsed since Copernicus revolutionized astronomy.

It is only by reflecting on the mass of knowledge we have since acquired, knowledge not only infinitely curious but also incalculably useful in its application to the arts of life, and then considering how much ground of this kind was acquired in the ten centuries which preceded the Renaissance, that we are at all able to estimate the expansive force which was then generated.

Science, rescued from the hand of astrology, geomancy, alchemy, began her real life with the Renaissance.