"His imagination was fruitful and vivid; a temperament of the most delicate sensibility, so excitable as to be affected by the slightest alterations of the atmosphere."--Montagu.
"He belongs to the realm of the imagination, of eloquence, of jurisprudence, of ethics, of metaphysics; his writings have the gravity of prose, with the fervor and vividness of poetry."--Prof. Welsh.
"He possessed at once all those extraordinary talents which were divided amongst the greatest authors of antiquity. He had the sound, distinct, comprehensive knowledge of Aristotle, with all the beautiful lights, graces, and embellishments of Cicero. One does not know which to admire most in his writings, the strength of reason, force of style, or brightness of imagination."--Addison.