Letter https://founders.archives.gov/documents/Jefferson/98-01-02-1712 to William Roscoe (27 December 1820) 
1820s
                                    
“No problem, kaja" Lara nodded with exaggerated obeisance. "You may lead, so long as we may follow.”
            "Great kaja! Kill them all!" 
"Honorverse", Crown of Slaves (2004)
        
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David Weber 14
author 1952Related quotes
“Genius is an exaggeration of dimension. So is elephantiasis. Both may be only a disease.”
Source: The Fountainhead
https://www.goodreads.com/author/quotes/6422617.Liam_Payne
As quoted by George H. W. Bush in remarks while presenting National Medals of Science and Technology http://bushlibrary.tamu.edu/research/papers/1990/90111300.html (13 November 1990). This might be a paraphrase of statements from his introduction to "Science The Endless Frontier" (1945), rather than a direct quote. (see below)
“Be of one mind and one faith, that you may conquer your enemies and lead long and happy lives.”
As quoted in The Mongol Empire : Its Rise and Legacy (1940) by Michael Prawdin, p. 224
Speech at the University of Wisconsin, Madison (8 October 1952)
                                        
                                        Widely attributed, but  likely apocryphal. https://quoteinvestigator.com/2015/08/23/friend/ Researchers have searched for this quote unsuccessfully in Camus' extant works. 
Disputed