Date: 1775

"To lessen this difficulty a little, let it be considered how exceedingly different, to the eye of the mind, as we may say, are our ideas of sensible things from any thing that could have been conjectured concerning their effect upon us."

— Priestley, Joseph (1733-1804)

Date: 1775

"To account for the idea of time, it appears to me to be sufficient to attend to a few well known facts, viz. that impressions made by external objects remain a certain space of time in the mind, that this time is different according to the strength, and other circumstances of the impression, and...

— Priestley, Joseph (1733-1804)

Date: 1775

"If I look upon a house, and then shut my eyes, the impression it has made upon my mind does not immediately vanish."

— Priestley, Joseph (1733-1804)