“Space and the bodies around us are early mental objects… Name-giving is a first step towards consciousness.”
Source: Mathematics as an Educational Task (1973), p. 63; As cited in: Anne Birgitte Fyhn (2007) Angles as Tool for Grasping Space http://munin.uit.no/bitstream/handle/10037/994/thesis.pdf?sequence=1. p. 2
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Hans Freudenthal 27
Dutch mathematician 1905–1990Related quotes

Source: 1960s - 1980s, MANAGEMENT: Tasks, Responsibilities, Practices (1973), Part 1, p. 182
Book C (sketchbook), c. 1970; as quoted in Jasper Johns, Writings, sketchbook Notes, Interviews, ed. Kirk Varnedoe, Moma New York, 1996, p. 70
1970s
Book I, Chapter 2, p. 66
The Origin of Consciousness in the Breakdown of the Bicameral Mind (1976)

Source: 1980s, Literary Theory: An Introduction (1983), Chapter 2, p. 48

“Scepticism is the first step towards truth.”
As quoted in The Anchor Book of French Quotations with English Translations (1963) by Norbert Gutermam
Pensées Philosophiques (1746)
Variant: A thing is not proved just because no one has ever questioned it. What has never been gone into impartially has never been properly gone into. Hence skepticism is the first step toward truth. It must be applied generally, because it is the touchstone.
Variant: The first step towards philosophy is incredulity.
Source: Pensées philosophiques

"Morality and Birth Control", February-March, 1918, pp. 11,14.
Birth Control Review, 1918-32
it is greatness itself.
Reported in Louis Klopsch, Many Thoughts of Many Minds (1896), p. 133.

“A correct theory is the first step towards improvement”
Source: The Theory of Political Economy (1871), Chapter I, Introduction, p. 44.
Context: A correct theory is the first step towards improvement, by showing what we need and what we might accomplish.

“Desirelessness towards the seen and the unseen gives the consciousness of mastery.”
§ 1.15
Yoga Sutras of Patañjali