Italiano
Mathematics is no taint of error and most certain to itself.
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Martin Gardner (1914-2010)
Not only mathematics is real, but it is the only reality.
Georg Cantor (1845-1918)
The essence of mathematics is its freedom.
John Arbuthnot (1667-1735)
Mathematical knowledge adds vigor to the mind, and freedom from prejudice, superstition and credulity.
Georg Cantor (1845-1918)
In particular, introducing new numbers, math has the sole obligation to give the definitions of them, by means of which will be given a definable and, if circumstances permit, such a relationship with respect to the old numbers that in some cases They will undoubtedly be distinguishable from other numbers.