“Only you can do something about it.
There's no-one there, my friend, any better.”

2010s, 2016 Democratic National Convention (2016)

[NewsBank, 03I, Science Guy Wants You to Ask, 'Why?', The Columbus Dispatch, Ohio, October 24, 2001, Connie A. Higgins]

1860s, Second State of the Union address (1862)
Context: I do not forget the gravity which should characterize a paper addressed to the Congress of the nation by the Chief Magistrate of the nation, nor do I forget that some of you are my seniors, nor that many of you have more experience than I in the conduct of public affairs. Yet I trust that in view of the great responsibility resting upon me you will perceive no want of respect to yourselves in any undue earnestness I may seem to display. Is it doubted, then, that the plan I propose, if adopted, would shorten the war, and thus lessen its expenditure of money and of blood? Is it doubted that it would restore the national authority and national prosperity and perpetuate both indefinitely? Is it doubted that we here — Congress and Executive can secure its adoption? Will not the good people respond to a united and earnest appeal from us? Can we, can they, by any other means so certainly or so speedily assure these vital objects? We can succeed only by concert. It is not "Can any of us imagine better?" but "Can we all do better?" Object whatsoever is possible, still the question recurs, "Can we do better?"

1 September 2011 https://twitter.com/gtdguy/status/109338835162374145
Official Twitter profile (@gtdguy) https://twitter.com/gtdguy

Religious-based Quotes

Source: The Green Mile

The Lower Depths (1902)

letter to Koichi Mano (3 February 1966); published in Perfectly Reasonable Deviations from the Beaten Track: The Letters of Richard P. Feynman (2005), p. 198, 201
also quoted by Freeman Dyson in "Wise Man" http://www.nybooks.com/articles/18350, The New York Review of Books (20 October 2005)
Context: The worthwhile problems are the ones you can really solve or help solve, the ones you can really contribute something to. … No problem is too small or too trivial if we can really do something about it. You say you are a nameless man. You are not to your wife and to your child. You will not long remain so to your immediate colleagues if you can answer their simple questions when they come into your office. You are not nameless to me. Do not remain nameless to yourself — it is too sad a way to be. Know your place in the world and evaluate yourself fairly, not in terms of the naïve ideals of your own youth, nor in terms of what you erroneously imagine your teacher's ideals are.

The Curious Case of David Fincher (2007)