Source identified1
“It is a mistake always to contemplate the good and ignore the evil”
Keller explicitly rejects an optimism that refuses to see harm, making clear-eyed attention to difficult facts part of her constructive outlook.
Source note: Optimism: An Essay (1903), Project Gutenberg #31622. The following paragraph calls ignorant or indifferent optimism dangerous and false.
Source identified2
“Now I rejoice in the consciousness that I can think, act and attain heaven.”
Keller describes intellectual and spiritual agency as a source of rejoicing after recalling an earlier life of darkness and stillness.
Source note: Optimism: An Essay (1903), Project Gutenberg #31622. “Attain heaven” belongs to Keller’s explicitly religious language and is not secularized into a guaranteed outcome.
Source identified3
“With the first word I used intelligently, I learned to live, to think, to hope.”
Language is remembered as opening several capacities at once—thought, hope and a fuller experience of living—rather than merely adding a vocabulary item.
Source note: Optimism: An Essay (1903), Project Gutenberg #31622. Keller is reflecting on her own early experience of language and education.
Source identified4
“My intellectual horizon is infinitely wide.”
Intellectual possibility is framed as expansive because reading, thought, language, and imagination can continue enlarging a person’s world beyond immediate sensation.
Source note: The World I Live In; Keller rejects the assumption that sensory disability fixes the boundaries of intellectual life.
Source identified5
“Blindness has no limiting effect upon mental vision.”
Physical limitation does not automatically determine the range of thought, imagination, learning, or intellectual ambition available to a person.
Source note: The World I Live In; Keller distinguishes visual sight from the range of mental perception and imagination.
Source identified6
“Ideas make the world we live in, and impressions furnish ideas.”
Experience is mediated by interpretation: sensory impressions become ideas, and those ideas help shape the meaningful world a person inhabits.
Source note: The World I Live In, opening essays on sensation and perception; Keller explains how touch and other impressions become intellectual experience.
Source identified7
“The most beautiful world is always entered through the imagination.”
Imagination expands experience beyond immediate physical access, making it possible to enter worlds built from memory, language, thought, and possibility.
Source note: The World I Live In, essay on imagination and dreams; Keller describes imagination as a genuine mode of access to experience.