
Proms 2013: Daniel Barenboim interview http://www.theguardian.com/lifeandstyle/2012/nov/02/daniel-barenboim-conductor-interview, 8 May 2013.
On Contradiction (1937)
Original: (zh-CN) 就人类认识运动的秩序说来,总是由认识个别的和特殊的事物,逐步地扩大到认识一般的事物。人们总是首先认识了许多不同事物的特殊的本质,然后才有可能更进一步地进行概括工作,认识诸种事物的共同的本质。
Proms 2013: Daniel Barenboim interview http://www.theguardian.com/lifeandstyle/2012/nov/02/daniel-barenboim-conductor-interview, 8 May 2013.
Annotations to Sir Joshua Reynolds's Discourses, pp. xvii–xcviii (c. 1798–1809)
1790s
Theonas: Conversations of a Sage (1921). Sheed & Ward, 1933, p. 77.
Source: The Principles of Science: A Treatise on Logic and Scientific Method (1874) Vol. 1, p. 14
Two Precepts of Charity (1273)
Sermons on the Ten Commandments (Collationes in decem praeceptes, c. 1273), Prologue (opening sentence)
Variant translation: Three things are necessary for the salvation of man: to know what he ought to believe; to know what he ought to desire; and to know what he ought to do.
Original: (la) Tria sunt homini necessaria ad salutem: scilicit scientia credendorum, scientia desiderandorum, et scientia operandorum.