Source identified1
“the desire and will to work is optimism itself.”
Optimism is defined here as willingness to participate and act, sharply distinguishing Keller’s position from passive expectation that circumstances will improve on their own.
Source note: Optimism: An Essay (1903), Project Gutenberg #31622. Keller is describing her future-facing desire for useful activity as college ends.
Source identified2
“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 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
“although the world is full of suffering, it is full also of the overcoming of it.”
The sentence holds suffering and human overcoming together, giving Keller’s optimism a basis in endurance rather than pretending suffering is absent.
Source note: Optimism: An Essay (1903), Project Gutenberg #31622. The surrounding passage explicitly says her optimism does not rest on the absence of evil.
Source identified5
“Optimism is the faith that leads to achievement; nothing can be done without hope.”
Hope is presented as an active foundation for achievement: confidence in possibility helps sustain the effort needed to move from intention to result.
Source note: Optimism: An Essay; Keller connects optimism with purposeful action rather than passive cheerfulness.
Source identified6
“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 identified7
“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.