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
“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 identified3
“his quick imagination transfigured the hard, bare facts of life into new and living dreams.”
Keller praises historian J. R. Green for turning difficult historical facts into vivid narrative through imaginative perception rather than treating facts as lifeless material.
Source note: Optimism: An Essay (1903), Project Gutenberg #31622. Keller is describing J. R. Green after reading his biography; the sentence is her characterization of his historical imagination.
Source identified4
“Everything has its wonders, even darkness and silence.”
Wonder does not disappear when circumstances are limited; attention can still discover interest and meaning in conditions others might dismiss.
Source note: The Story of My Life; Keller reflects on finding experience and interest even within darkness and silence.
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
“The infinite wonders of the universe are revealed to us in exact measure as we are capable of receiving them.”
Wonder depends partly on receptiveness; the world may contain more than a person notices when attention, knowledge, or imagination remains closed.
Source note: The World I Live In; Keller links perception with the capacity and willingness to receive experience.