Which quotation most effectively expresses the concept that learning to read and write set Douglass on a path to freedom?

"The reading of these documents enabled me to utter my thoughts, and to meet the arguments brought forward to sustain slavery;..."
"The more I read, the more I was led to abhor and detest my enslavers."
"...that very discontentment which Master Hugh had predicted would follow my learning to read had already come,..."
"Freedom now appeared, to disappear no more forever."