Who said "The roots of all knowledge are bitter"?

This quote is attributed to Empedocles.

The roots of all knowledge are bitter - Empedocles

"The roots of all knowledge are bitter"

Empedocles Knowledge

Philosopher Ancient Greece 494–434

"I am not a mortal being"

"Love all equally, and hate all equally"

"Ashes to ashes, dust to dust"

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"We're not just after treasure. We're preserving history."

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"A tidy room reflects a tidy mind."

"You can learn a lot about a person by how they keep their space."