“I allude to the marvellous power which the mind possesses during sleep of re-creating the same images over and over with no exercise of memory on the part of the dreamer.”

Reflecting on the mysterious recurrence of imagery in dreams · Essay, A Sixty-Drop Dose of Laudanum, Drop 20

• Art
• Memory

“Revenge of personal wrongs is a mean passion. It is the gratification of self-love in one of its most abominable forms.”

Condemning vengeance as wounded pride seeking ignoble satisfaction · Essay, A Sixty-Drop Dose of Laudanum, Drop 18

• Truth

“It is impossible that a man can ever make a transcendant artist, in music, poetry, painting, or sculpture, unless he be endowed with a capacious understanding.”

Arguing that artistic mastery depends upon breadth of understanding · Essay, A Sixty-Drop Dose of Laudanum, Drop 2

• Art
• Music
• Poetry