“About Fuseli: "...the most original genius I know. Nothing but energy, profusion and calm! The wildness of the warrior—and the feeling of supreme sublimity! … His spirits are storm wind, his ministers flames of fire! He goes upon the wings of the wind. His laughter is the mockery of hell and his love—a deadly lightning-flash.”

“Neatness begets order; but from order to taste there is the same difference as from taste to genius, or from love to friendship.”

“The public seldom forgive twice.”

“Trust him not with your secrets, who, when left alone in your room, turns over your papers.”

“Who makes quick use of the moment is a genius of prudence.”

“The jealous are possessed by a mad devil and a dull spirit at the same time.”

“How few our real wants and how vast our imaginary ones!”

“He who when called upon to speak a disagreeable truth tells it boldly and has done is both bolder and milder than he who nibbles in a low voice and never ceases nibbling.”

“Who makes quick use of the moment is a genius of prudence.”

“Act well at the moment and you have performed a good action to all eternity.”

“The great rule of moral conduct is next to God to respect Time.”