1938, Marten Ten Hoor, "The Philistines over Philosophy," The Journal of Philosophy, vol. 35, no. 20, p. 542:If the end-product of a man's philosophizing about the nature of the cosmos is the ultimate, arational matter, this will affect his moral opinion of the cosmos.
1974, Ervin Laszlo, "Why Should I Believe in Science?" Philosophy and Phenomenological Research, vol. 34, no. 4, p. 484:Scientific knowledge is conceptual, rational, and testable. Mystical knowledge is usually aconceptual, arational, and does not lend itself to interpersonal testing.
1996, David Foster Wallace, Infinite Jest, Abacus 2013, p. 146:Regarded with the objectivity of hindsight, the illusion appears arational, almost fantastic: it would be like being able both to lie and to trust other people at the same time.
2001, Ronald De Sousa, "Moral Emotions," Ethical Theory and Moral Practice, vol. 4, no. 2, p. 109:On the first view, emotions are purely biological phenomena. . . . They are arational and amoral, like other natural bodily functions.