“We must not believe those, who today, with philosophical bearing and deliberative tone, prophesy the fall of culture and accept the ignorabimus. For us there is no ignorabimus, and in my opinion none whatever in natural science. In opposition to the foolish ignorabimus our slogan shall be:
We must know — we will know!”
Wir müssen wissen — wir werden wissen!
Address to the Society of German Scientists and Physicians, in Königsberg (8 September 1930). The concluding statement was used as the epitaph on his tomb in Göttingen. Radio broadcast of the address http://math.sfsu.edu/smith/Documents/HilbertRadio/HilbertRadio.mp3, and transcription and English translation http://math.sfsu.edu/smith/Documents/HilbertRadio/HilbertRadio.pdf.
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David Hilbert 30
German prominent mathematician 1862–1943Related quotes

from the group manifesto of Die Brücke, written by Kirchner in Dresden, 1906; as quoted in 'The Artists' Association 'Brücke' – Chronology' http://www.bruecke-museum.de/chronology.htm, Brücke Museum. Retrieved 29 September 2016; from Wikipedia: Kirchner
1905 - 1915

“We must learn our limits. We are all something, but none of us are everything.”
“We must each of us bear our own misfortunes.”
Source: True Grit (1968), Chapter 3, p. 32 : 'Colonel Stonehill'

Quoted in "Red Star Over Malaya" - Page 130 - by Boon Kheng Cheah - History - 2003.

Some Glimpses of Occultism: Ancient and Modern, (1903), Chapter XII, The Future of Humanity

No. 9, st. 7.
Last Poems http://www.gutenberg.org/dirs/etext05/8lspm10.txt (1922)