“If we would guide by the light of reason, we must let our minds be bold.”
Dissent, New State Ice Co. v. Liebmann, 285 U.S. 262 (1932).
Judicial opinions
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Louis Brandeis 45
American Supreme Court Justice 1856–1941Related quotes

Source: The Warrior Within : The Philosophies of Bruce Lee (1996), p. 126
Context: In life, what more can you ask for than to be real? To fulfill one’s potential instead of wasting energy on [attempting to] actualize one’s dissipating image, which is not real and an expenditure of one’s vital energy. We have great work ahead of us, and it needs devotion and much, much energy. To grow, to discover, we need involvement, which is something I experience every day — sometimes good, sometimes frustrating. No matter what, you must let your inner light guide you out of the darkness.

Source: Reason: The Only Oracle Of Man (1784), Ch. XIII Section II - Of The Importance of the Exercise of Reason, and Practice of Morality, in order to the Happiness of Mankind

Sämtliche Werken, ed. Josef Nadler (1949-1957), vol. III, p. 231.

12 September 1936, Advice to the pupils of the Bishop Cotton School, Simla, also quoted in Speeches and Statements of the Marquess of Linlithgow, p. 19-20

Section 1 : The Meaning of Life
Life and Destiny (1913)

Many attribute this quote to Marshall, however, General Omar Bradley is the correct author. Statement by Bradley (31 May 1948), quoted in An Inconvenient Truth : The Planetary Emergency Of Global Warming And What We Can Do About It (2006) by Al Gore.
Misattributed