
Kosmos (1932), Above is Beginning Quote of the Last Chapter: Relativity and Modern Theories of the Universe -->
Source: The Elephant Vanishes
Kosmos (1932), Above is Beginning Quote of the Last Chapter: Relativity and Modern Theories of the Universe -->
"Logical and Mathematical Thought?" in The Monist, Vol. 20 (1909-1910), p. 69
As quoted in Fundamentals of Teaching Mathematics at University Level (2000) by Benjamin Baumslag, p. 214
Source: Mathematical Thought from Ancient to Modern Times (1972), p. 253.