“Before being Christians or Jews or Muslims, before being Americans or Russians or Africans, before being generals or priests, rabbis or imams, before having visible or invisible disabilities, we are all human beings with hearts capable of loving”

Letter to Barrett Wendell (19 July 1919)

The Age of Spiritual Machines: When Computers Exceed Human Intelligence (1999)

As quoted by Chief Justice John Greig Latham in his sole dissent in Australian Communist Party v Commonwealth (1951), for his argument that defence is the pre-eminent responsibility of the state
Attributed

Source: The Expanding Circle: Ethics, Evolution, and Moral Progress (1981), Chapter 1, The Origins Of Altruism, p. 3

Source: Social Amnesia: A Critique of Conformist Psychology from Adler to Laing (1975), p. 34, quote is from Institut für Sozialforschung

Lane, The Paintings of Albert Marquet p. 188; as quoted in 'Appendix' of Albert Marquet and the Fauve movement, 1898-1908, Norris Judd, published 1976, - translation Norris Judd - Thesis (A.B.)--Sweet Briar College, p. 116

The Notebooks of Leonardo da Vinci (1883), X Studies and Sketches for Pictures and Decorations

Source: Dictionary of Burning Words of Brilliant Writers (1895), P. 316.

Source: Chiaki Mukai – Astronaut - The Heroine Collective http://www.theheroinecollective.com/chiaki-mukai-astronaut/