“Our battle with our enemy is great… this is a battle between Islam and unbelief on this land. In this battle, the crusaders united with the World Zionism.”

“Objectivism and the State: An Open Letter to Ayn Rand,” 1969

2013, "Let Freedom Ring" Ceremony (August 2013)
Context: The test was not, and never has been, whether the doors of opportunity are cracked a bit wider for a few. It was whether our economic system provides a fair shot for the many -- for the black custodian and the white steelworker, the immigrant dishwasher and the Native American veteran. To win that battle, to answer that call -- this remains our great unfinished business.

2000s, 2001, Freedom and Democracy Are Under Attack (September 2001)

Song of the Greeks
Bartlett's Familiar Quotations, 10th ed. (1919)

It is said that on the eve of battle, he was told by a native of Trachis that the Persian archers were so numerous that, when they fired their volleys the mass of arrows blocked out the sun. Dienekes, however, quite undaunted by this prospect, remarked with a laugh, "Good. Then we'll have our battle in the shade."

Herodotus, in Histories; the remarks of Dienekes have sometimes become attributed to Leonidas.
Misattributed

Source: Why Evolution is True (2009), p. xiii

President Hugo Chavez's Speech at the U.N. General Assembly, Wednesday, September 20, 2006

Die Philosophie ist ein Kampf gegen die Verhexung unsres Verstandes durch die Mittel unserer Sprache.
§ 109
Source: Philosophical Investigations (1953)

This includes a common paraphrase of a statement which originates with military strategist Field Marshall Helmuth von Moltke: "No plan of operations extends with any certainty beyond the first contact with the main hostile force."
Vorkosigan Saga, Cetaganda (1996)