Who said "Questions are not to be answered"?

This quote is attributed to Severus Snape.

Questions are not to be answered - Severus Snape

"Questions are not to be answered"

Severus Snape Education

Character in Harry Potter and the Philosopher's Stone

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"Education opens doors."

"Education opens doors to endless possibilities."

"I ain't got the education you got, bub."

"You can't put a price on history."