“Chance favors only the prepared mind.”
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Blaise Pascal 144
French mathematician, physicist, inventor, writer, and Chri… 1623–1662Related quotes

“In the fields of observation chance favours only the prepared mind.”
Dans les champs de l'observation le hasard ne favorise que les esprits préparés.
Lecture, University of Lille (7 December 1854)
Alternate translations of this or similar statements include:
Chance favors the prepared mind.
Fortune favors the prepared mind.
In the field of observation, chance favors the prepared mind.
Where observation is concerned, chance favors only the prepared mind.

Source: The Fifth Miracle: The Search for the Origin and Meaning of Life (1999), Ch. 10: 'A Bio-Friendly Universe?', p. 271

... (een flits van inzicht) komt nooit vanzelf, in de zin dat je er geen moeite voor hoeft te doen. Je moet je er echt wel voor inspannen. Er is een mooi spreekwoord voor: “toeval schiet de voorbereide geest te hulp”.
Zo’n inzicht komt wel toevallig, maar je krijgt het alleen als je bent voorbereid. Het inzicht komt niet vanzelf.
In Interview with Professor Carlo Beenakker. Interviewers: Ramy El-Dardiry and Roderick Knuiman (February 1, 2006).

“The eyes see only what the mind is prepared to comprehend.”
Robertson Davies as quoted in The White Bedouin (2007) by George Potter, p. 241
Misattributed

“Adventurous minds, which wait for and receieve their ideas only from chance.”

“I will prepare and some day my chance will come.”
Attributed in Laura Haddock (1931), Steps Upward in Personality
Misattributed
Variant: I will study and get ready, and perhaps my chance will come.

Source: 2010s, Nomad: A Personal Journey Through the Clash of Civilizations (2010), Chapter 6, “My Cousins” (p. 81)