“To be human is to think through metaphors.”

E 91
Variant translation: A good metaphor is something even the police should keep an eye on.
Aphorisms (1765-1799), Notebook E (1775 - 1776)

André Breton or the Quest of the Beginning
Source: Alternating Current (1967)
Context: If we are a metaphor of the universe, the human couple is the metaphor par excellence, the point of intersection of all forces and the seed of all forms. The couple is time recaptured, the return to the time before time.

Source: Invisible Monsters

Balzac's Garret, p. 88
Waiting For The Barbarians (1997)

1916
Quote in 'On space and Suprematism', Kasimir Malevich, 1916; as cited in Abstract Art, Anna Moszynska, Thames and Hudson, London 1990, p. 58
1910 - 1920

Source: The Summer Without Men

Source: A Treatise on the Family, 1981, p. 39

We never do that, do we, being all of us too much poets. We like to talk in parables and in hints and in indirections — whether from diffidence or some other instinct.
" Education by Poetry http://www.en.utexas.edu/amlit/amlitprivate/scans/edbypo.html", speech delivered at Amherst College and subsequently revised for publication in the Amherst Graduates’ Quarterly (February 1931)
General sources

Source: On Building Systems That Will Fail (1991), p. 81