
When I heard the Learn’d Astronomer
WHEN I heard the learn’d astronomer; When the proofs, the figures, were ranged in columns before me; When I was shown the charts and the diagrams, to add, divide, and measure them; When I, sitting, heard the astronomer, where he lectured with much applause in the lecture-room, How soon, unaccountable, I became tired and sick; Till rising and gliding out, I wander’d off by myself, In the mystical moist night-air, and from time to time, Look’d up in perfect silence at the stars

Letters upon the Aesthetic Education of Man - Part VIII
Letter XII
THIS twofold labour or task, which consists in making the necessary pass into reality in usand in making out of us reality subject to the law of necessity, is urged upon us as a duty by two opposing forces, which are justly styled impulsions or instincts, because they impel us to realise their object. The first of these impulsions, which I shall call the sensuous instinct, issues from the physical existence of man, or from sensuous nature; and it is this instinct