Physic (as Hippocrates defines it) is nought else but "addition and subtraction;" and as it is required in all other diseases, so in this of melancholy it ought to be most accurate, it being (as Mercurialis acknowledgeth) so common an affection in these our times, and therefore fit to be understood.

Physic (as Hippocrates defines it) is nought else but "addition and subtraction;" and as it is required in all other diseases, so in this of melancholy it ought to be most accurate, it being (as Mercurialis acknowledgeth) so common an affection in these our times, and therefore fit to be understood.

Moreover, far the greater part of physical inquiries now relate to molecular actions, which, a distinguished natural philosopher informs us, "we have to regard as the results of an infinite number of infinitely small material particles, acting on each other at infinitely small distances,"a triad of infinites,and so physics becomes the most metaphysical of sciences.

When the time came for him to go to school, physics was his favorite study.

The Physics, 1688, the Metaphysics, 1691, and the Annotata Majora in Cartesii Principia Philosophiae, 1691, were also posthumous publications, from the notes of his pupils.