Hugh Blair (1718–1800) British philosopher
Source: Dictionary of Burning Words of Brilliant Writers (1895), P. 109.
Source: Treatise Concerning Eternal and Immutable Morality (1731), Ch. 1, sct. 1
Hugh Blair (1718–1800) British philosopher
Source: Dictionary of Burning Words of Brilliant Writers (1895), P. 109.
Karl Popper (1902–1994) Austrian-British philosopher of science
Principle attributed to Popper by Ryszard Kapiscinski in New York Times obituary, 1995.
Misattributed
Source: https://www.nytimes.com/1995/01/01/magazine/lives-well-lived-karl-popper-the-philosopher-as-giantslayer.html
Robert Grosseteste (1175–1253) English bishop and philosopher
Commentarius in Posteriorum Analyticorum Libros (c. 1217-1220)
Mark Hopkins (educator) (1802–1887) American educationalist and theologian
Source: Dictionary of Burning Words of Brilliant Writers (1895), P. 5.
Mao Zedong (1893–1976) Chairman of the Central Committee of the Communist Party of China
On Practice (1937)
Josef Pieper (1904–1997) German philosopher
The Four Cardinal Virtues: Prudence, Justice, Fortitude, Temperance (1965)
André Maurois (1885–1967) French writer
Un Art de Vivre (The Art of Living) (1939), The Art of Thinking
Claude Adrien Helvétius (1715–1771) French philosopher
En anéantissant les désirs, on anéantit l'âme, & tout homme sans passion n'a en lui ni principe d'action, ni motif pour se mouvoir.
A Treatise on Man: His Intellectual Faculties & His Education, Vol. I (1773)
Timothy Dwight IV (1752–1817) American historian
Reported in Josiah Hotchkiss Gilbert, Dictionary of Burning Words of Brilliant Writers (1895), p. 275.