Galileo Galilei (1564-1642)
“We need a guide in unknown and uncouth parts, but in clear thoroughfares, and in open plains, only the blind stand in need of a leader.”
- From Galileo Galilei’s Dialogue on the Great World-Systems, Day 2, (translated by Giorgio de Santilla, University of Chicago Press, 1953). The original background picture of Galileo is filed under the Creative Commons license (4.0).











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