Le principal but de l'éducation n'est pas d'apprendre des choses ; non, le but principal de l'éducation est de désapprendre des choses.

English Translation

The chief object of education is not to learn things; nay, the chief object of education is to unlearn things.

There’s a nonbreaking space before the semicolon. In transcription mode, I had to copy it from the prompt sentence into my own before the typing hint would show that I had gotten things right. I wish that a normal space would also be accepted for sentences like this. @mike ?