“Caesar overtook his advanced guard at the river Rubicon, which formed the frontier between Gaul and Italy. Well aware how critical a decision confronted him, he turned to his staff, remarking: "We may still draw back but, once across that little bridge, we shall have to fight it out."”
Source: The Twelve Caesars, Julius Caesar, Ch. 31
Original
Consecutusque cohortis ad Rubiconem flumen, qui provinciae eius finis erat, paulum constitit, ac reputans quantum moliretur, conversus ad proximos: "Etiam nunc," inquit, "regredi possumus; quod si ponticulum transierimus, omnia armis agenda erunt."
Help us to complete the source, original and additional information
Sueton 28
Roman historian 70–126Related quotes
Source: "The Meshing of Line and Staff", 1945, pp. 102-104, as cited in Albert Lepawsky (1949), Administration, p. 306-7

Speech in the Mansion House, London (10 November 1890), quoted in The Times (11 November 1890), p. 4
1890s

"Donkeys," said Nasrudin.
N. Hanif (ed.), Biographical Encyclopaedia of Sufis: Central Asia and Middle East (2002), ISBN 8176252662, p. 335
Source: The Wheel of Time: Shamans of Ancient Mexico, Their Thoughts About Life, Death and the Universe], (1998), Quotations from A Separate Reality (Chapter 6)