Source: The Cambridge Companion to Newton, 2002, p. 1
“It is an amazing thing that our memory best retains images of great philosophers when their lives were coming to an end. Socrates raising the chalice with hemlock to his mouth, Seneca whose veins were opened by a slave (there is a painting of this by Rubens), Descartes roaming cold palace rooms with a foreboding that his role of teacher of the Swedish Queen would be his last, old Kant smelling a grated horseradish before his daily walk (the cane preceding him, sinking deeper and deeper into the sand), Spinoza consumed by tuberculosis and patiently polishing lenses, so weak he is unable to finish his Treatise on the Rainbow.”
Zbigniew Herbert, Spinoza's Bed [original in Polish]
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