This quote cannot be more true, yet so often the world forgets the history of the past and never learns the grave mistakes of those who lives before us. This is something Social Studies teachers need to stress to their students.
John F. Kennedy Quote from his inaugural address in 1961 He is asking about what you the citizen, especially the teen of the now entering adulthood in the to contribute to America. JFK was young and very influential to the youth of America at this time.
Tom Richey's World History and US history site (AWESOME) Full of PowerPoints, and more This site is has a ton of resources for history teachers. I could use the powerpoints and videos as references for my own lessons.