“Stay away from people who belittle your ambition, small people do that, but great people make you like to be great!”
Variant: Keep away from people who try to belittle your ambitions. Small people always do that, but the really great make you feel that you, too, can become great.
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Mark Twain 637
American author and humorist 1835–1910Related quotes

as quoted in The Bourgeois: Catholicism vs. Capitalism in Eighteenth-Century France (1927), p. 137

Source: [239, The Queer Encyclopedia of Music, Dance, and Musical Theater, Claude Summers, Cleis Press Start, 1 November 2004, 9781573448758] In interviews etc., Sexuality

Get Up, Stand Up (cowritten with Peter Tosh), from the album Burnin (1973)
Song lyrics

“We are not a small people, we are maybe something of a great people.”
On n'est pas un petit peuple, on est peut-être quelque chose comme un grand peuple.
Victory speech, 1976 Quebec election. http://archives.radio-canada.ca/politique/partis_chefs_politiques/clips/6151/

“Your people, sir,—your people is a great beast!”
Memoir of Theophilus Parsons (1859), pp. 109-110
Attributed
Context: One gentleman, whose name I never heard, was an earnest “friend of the people,” and descanted with much enthusiasm upon the glorious future then opening upon this new-born nation, and predicted the perpetuity of our institutions, from the purity and intelligence of the people, their freedom from interest or prejudice, their enlightened love of liberty, &c, &c. Alexander Hamilton was among the guests; and, his patience being somewhat exhausted, he replied with much emphasis, striking his hand upon the table, “Your people, sir,—your people is a great beast!” I have this anecdote from a friend, to whom it was related by one who was a guest at the table. After-dinner utterances have little value, unless, perhaps, their very levity makes them good indicators of the wind. We do not know the qualifying words which may have followed, or the tone and manner of that which was, perhaps, in part or in the whole, a jest.

“Really great people make you feel that you, too, can become great.”
Variant: great people are those who make others feel that they, too, can become great.