“That books do not take the place of experience, and that learning is no substitute for genius, are two kindred phenomena; their common ground is that the abstract can never take the place of the perceptive.”

12 September 1936, Advice to the pupils of the Bishop Cotton School, Simla, also quoted in Speeches and Statements of the Marquess of Linlithgow, p. 19

Observations on the Drawing Up of Laws (1774)

Quote from a program at a Coolidge memorial service (1933); cited in The Oxford Dictionary of Quotations (1999). The passage did not originate with Coolidge, but evolved over several decades, appearing as early as 1881 in a youth guidance book. From [Garson O’Toole, https://quoteinvestigator.com/2016/01/12/persist/, Purpose and Persistence Are Required for Success: Unrewarded Genius Is Almost a Proverb, Quote Investigator, January 12, 2016]
1930s

Advice to Clever Children (1981)

Speech to the International Eucharistic Conference, Philadelphia, Pennsylvania as quoted in the Los Angeles Herald-Examiner (13 August 1976)
1970s

Source: The Marriage Plot

Source: 2666