Origen thus solved, after his own fashion, a problem which his predecessor Clement had not even ventured to grapple with.
With indefatigable energy he at once attempted to grapple with the difficulties of the situation, waging an almost desperate struggle with sloth, corruption and incompetence.
His intellect was profound and comprehensive, thoroughly qualified to grapple with the deepest problems of metaphysics, but by natural preference occupying itself mainly with the practical and moral.
This shows that the principle of the dissipation of energy has control over the actions of those agents only whose faculties are too gross to enable them to grapple individually with the minute portions of matter which are the seat of energy.
Berthollet's most remarkable contribution to chemistry was his Essai de statique chimique (1803), the first systematic attempt to grapple with the problems of chemical physics.