Philosopher Quotes
- Jeremy Bentham 1748 - 1832
- Jiddu Krishnamurti 1895 - 1986
- Johann Georg Hamann 1730 - 1788
- Johann Georg Zimmermann 1728 - 1795
- Johann Gottlieb Fichte 1762 - 1814
- Johann Kaspar Lavater 1741 - 1801
- John Aubrey 1626 - 1697
- John Dewey 1859 - 1952
- John Eccles 1903 - 1997
- John Fiske 1842 - 1901
- John Frame 1939 -
- John Lilly 1915 - 2001
- John Locke 1632 - 1704
- John Muir 1838 - 1914
- John Ralston Saul 1947 -
- John Rawls 1921 - 2002
- John Searle 1932 -
- John Stuart Mill 1806 - 1873
- John Wilkins 1614 - 1672
- John Wycliffe 1320 - 1384
- Jonathan Bennett 1930 -
- Jonathan Edwards 1703 - 1758
- Jonathan Sacks 1948 - 2020
- Jose Ortega y Gasset 1883 - 1955
- Joseph Butler 1692 - 1752
- Joseph de Maistre 1753 - 1821
- Joseph Glanvill 1636 - 1680
- Joseph Priestley 1733 - 1804
- Josiah Royce 1855 - 1916
- Judith Butler 1956 -
- Karl Hess 1923 - 1994
- Karl Jaspers 1883 - 1969
- Karl Kautsky 1854 - 1938
- Karl Marx 1818 - 1883
- Karl Pearson 1857 - 1936
- Karl Polanyi 1886 - 1964
- Karl Popper 1902 - 1994
- Karl Vogt 1817 - 1895
- Karl Wilhelm Friedrich Schlegel 1772 - 1829
- Karsten Harries 1937 -