Who said "The mind requires as much exercise as the body."?

This quote is attributed to Niles Crane.

The mind requires as much exercise as the body. - Niles Crane

"The mind requires as much exercise as the body."

Niles Crane Education

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"Love is the most exquisite torture known to mankind."

"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."