“As I look back, I am forever grateful for the journey I traveled and to all the people who have helped me to grow on the way. Never could I have imagined where the invisible hand of destiny was leading me. Through it all, I have come to realize that only if we cling to our sacred ideals, not being diverted by either successes or failures, we may find that amazing powers, beyond our own, are there to test us, protect us, and empower us. I pray that this simple story of mine may inspire all my readers with hope. Our true home awaits us at the end of life’s perilous journey. It is a place of lasting peace, beckoning us to persevere until we, too, reunite with our lost love.”

2000s, 2008, Concession speech (2008)

"We are Power" speech (1980)

Prologue
The Path of the King (1921)

Praeterita, volume I, chapter IX (1885-1889)

comment to The Associated Press (September 10, 2005) as she prepared to lead a contingent of Hispanic-American entertainers on a humanitarian mission to Hurricane Katrina victims in Louisiana and Mississippi
2007, 2008

Source: Reason for Hope: A Spiritual Journey

Letter to http://memory.loc.gov/cgi-bin/query/r?ammem/mtj:@field(DOCID+@lit(tj110158)) Thomas Leiper (12 June 1815). Published in The Works of Thomas Jefferson in Twelve Volumes http://oll.libertyfund.org/ToC/0054.php, Federal Edition, Paul Leicester Ford, ed., New York: G. P. Putnam's Sons, 1904, Vol. 11 http://oll.libertyfund.org/Texts/Jefferson0136/Works/0054-11_Bk.pdf, pp. 477–478.
The sentence "I hope our wisdom will grow with our power, and teach us, that the less we use our power, the greater it will be." was used by US-President Barack Obama in his A New Beginning Speech.
1810s
Context: We concur in considering the government of England as totally without morality, insolent beyond bearing, inflated with vanity and ambition, aiming at the exclusive dominion of the sea, lost in corruption, of deep-rooted hatred towards us, hostile to liberty wherever it endeavors to show its head, and the eternal disturber of the peace of the world. In our estimate of Bonaparte, I suspect we differ. [... ] Our form of government is odious to him, as a standing contrast between republican and despotic rule; and as much from that hatred, as from ignorance in political economy, he had excluded intercourse between us and his people, by prohibiting the only articles they wanted from us, that is, cotton and tobacco. Whether the war we have had with England, and the achievements of that war, and the hope that we may become his instruments and partisans against that enemy, may induce him, in future, to tolerate our commercial intercourse with his people, is still to be seen. For my part, I wish that all nations may recover and retain their independence; that those which are overgrown may not advance beyond safe measures of power, that a salutary balance may be ever maintained among nations, and that our peace, commerce, and friendship, may be sought and cultivated by all. It is our business to manufacture for ourselves whatever we can, to keep our markets open for what we can spare or want; and the less we have to do with the amities or enmities of Europe, the better. Not in our day, but at no distant one, we may shake a rod over the heads of all, which may make the stoutest of them tremble. But I hope our wisdom will grow with our power, and teach us, that the less we use our power, the greater it will be.

comment in aftermath of Hurricane Wilma (CNN's Showbiz Tonight-October 27, 2005)
2007, 2008

Source: Message in a Bottle