63.The Cartesians maintained that the senses were the great sources of deception; that everything with which they present us ought to be suspected as false, or at least dubious, until our reason has confirmed the report.
63.The Cartesians maintained that the senses were the great sources of deception; that everything with which they present us ought to be suspected as false, or at least dubious, until our reason has confirmed the report.
64.Ferdinand, Duke of Tuscany, was once struck with the picture of a child crying; the artist (Peter of Cortona), who was at work upon the head, wishing to give a proof of his skill, by a few judicious touches converted the crying into a laughing face. The Duke was in astonishment; the painter, to show himself master of the human countenance, restored his first touches, and the Duke again saw the child weeping.
64.Ferdinand, Duke of Tuscany, was once struck with the picture of a child crying; the artist (Peter of Cortona), who was at work upon the head, wishing to give a proof of his skill, by a few judicious touches converted the crying into a laughing face. The Duke was in astonishment; the painter, to show himself master of the human countenance, restored his first touches, and the Duke again saw the child weeping.
65.Page161.
65.Page161.
66.Page49.
66.Page49.
67.Those who are desirous of gaining farther information upon this subject may consult the chapter on “Ocular Spectra, or Accidental colours,” in Brewster’s Natural Magic, p. 21; and Edinburgh Encyclopædia, Art. Accidental Colours.
67.Those who are desirous of gaining farther information upon this subject may consult the chapter on “Ocular Spectra, or Accidental colours,” in Brewster’s Natural Magic, p. 21; and Edinburgh Encyclopædia, Art. Accidental Colours.
68.“Our knowledge of motion is a deduction of reasoning, not a perception of sense; it is derived from the comparison of two positions; the idea of a change of place is the result of that comparison attained by a short process of reasoning.”--Lord Brougham.
68.“Our knowledge of motion is a deduction of reasoning, not a perception of sense; it is derived from the comparison of two positions; the idea of a change of place is the result of that comparison attained by a short process of reasoning.”--Lord Brougham.
69.See Journal of the Royal Institution, No. 2.
69.See Journal of the Royal Institution, No. 2.