re-cover nr.40

Ethica Ordine Geometrico demonstrata - Spinoza

This picture was taken in Amsterdam in 2008.

Benedict de Spinoza was a Dutch Philosopher of Portuguese Jewish origin.Ethica (Ethics demonstrated in geometrical order - English translation) was written in Latin and published posthumously in 1677.

"Happiness is a virtue, not its reward."

"I do not know how to teach philosophy without becoming a disturber of established religion."

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