“I have never been more hopeful about America. And I ask you to sustain that hope. I'm not talking about blind optimism, the kind of hope that just ignores the enormity of the tasks ahead or the roadblocks that stand in our path. I'm not talking about the wishful idealism that allows us to just sit on the sidelines or shirk from a fight. I have always believed that hope is that stubborn thing inside us that insists, despite all the evidence to the contrary, that something better awaits us so long as we have the courage to keep reaching, to keep working, to keep fighting.”

2012, Re-election Speech (November 2012)
Context: I have never been more hopeful about America. And I ask you to sustain that hope. I'm not talking about blind optimism, the kind of hope that just ignores the enormity of the tasks ahead or the roadblocks that stand in our path. I'm not talking about the wishful idealism that allows us to just sit on the sidelines or shirk from a fight. I have always believed that hope is that stubborn thing inside us that insists, despite all the evidence to the contrary, that something better awaits us so long as we have the courage to keep reaching, to keep working, to keep fighting.

Source: The Battle of the Labyrinth

Source: The Fiery Heart

That kind of hope is astral desire, and will take you, as it took him, through a whole book, but will not of itself do other than sustain your ability to live life from day to day.
Source: Maitreya's Mission Vol. II (1993)

Song lyrics, Earth Moving (1989)

"Notes about Music" (29 March 1946) also quoted in Ramblin' Man: The Life and Times of Woody Guthrie (2004) by Ed Cray
Context: No matter how bad the wicked world has hurt you, in the long run, there is something gained, and it is all for the best … The note of hope is the only note that can help us or save us from falling to the bottom of the heap of evolution, because, largely, about all a human being is, anyway, is just a hoping machine, a working machine, and any song that says, the pleasures I have seen in all of my trouble, are the things I never can get — don't worry — the human race will sing this way as long as there is a human to race.
The human race is a pretty old place.

Source: Peace Is Every Step: The Path of Mindfulness in Everyday Life

"Notes about Music" (29 March 1946) http://web.archive.org/19991001055247/www.geocities.com/Nashville/3448/music.html also quoted in A Race of Singers: Whitman's Working-Class Hero from Guthrie to Springsteen (2000) by Bryan K. Garman, p. 244
Context: I have hoped as many hopes and dreamed so many dreams, seen them swept aside by weather, and blown away by men, washed away in my own mistakes, that — I use to wonder if it wouldn't be better just to haul off and quit hoping. Just protect my own inner brain, my own mind and heart, by drawing it up into a hard knot, and not having any more hopes or dreams at all. Pull in my feelings, and call back all of my sentiments — and not let any earthly event move me in either direction, either cause me to hate, to fear, to love, to care, to take sides, to argue the matter at all — and, yet … there are certain good times, and pleasures that I never can forget, no matter how much I want to, because the pleasures, and the displeasures, the good times and the bad, are really all there is to me.
And these pleasures that you cannot ever forget are the yeast that always starts working in your mind again, and it gets in your thoughts again, and in your eyes again, and then, all at once, no matter what has happened to you, you are building a brand new world again, based and built on the mistakes, the wreck, the hard luck and trouble of the old one.