Frederick the Great:

The greatest and noblest pleasure which men can have in this world is to discover new truths; and the next is to shake off old prejudices.

— Frederick the Great Early Modern

Prussian king

From his philosophical writings

c. 1740s-1780s

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Cross Reference

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"You must be a philosopher, for a prince who does not think is a prince who does not rule."

"As for the Jews, they are the most dangerous and cunning people in the world."

"Dogs, would you live forever?"

"War is the natural state of mankind."

"To govern is to foresee."