“Foreigners are sending messages to the planets. We are sending rice and cereals to our dead fore-father through the Brahmins. It is a wise deed?”

Message intended for extraterrestrials recorded onto the Voyager spacecrafts before they were launched into interstellar space.
Context: As the Secretary General of the United Nations, an organizations of the 147 member states who represent almost all of the human inhabitants of the planet earth. I send greetings on behalf of the people of our planet. We step out of our solar system into the universe seeking only peace and friendship, to teach if we are called upon, to be taught if we are fortunate. We know full well that our planet and all its inhabitants are but a small part of the immense universe that surrounds us and it is with humility and hope that we take this step.

Introduction
The Disappearance of Childhood (1982)
Context: Children are the living messages we send to a time we will not see. From a biological point of view it is inconceivable that any culture will forget that it needs to reproduce itself. But it is quite possible for a culture to exist without a social idea of children. Unlike infancy, childhood is a social artifact, not a biological category.

Source: Sylvia cartoon strip, p. 109

Specific home run calls
Variant: "You're on the mark, Teixeira!*" (Mark Teixeira)

Obama says Clinton has foreign policy like Bush's http://www.reuters.com/article/2007/07/26/us-usa-politics-democrats-idUSN2619692620070726 26 July 2007
2007

As quoted in Boss Ket (1961) by Rosamond McPherson Young p. 194

Source: Don't Die, My Love

Source: Stations of the Tide (1991), Chapter 7, “Who Is the Black Beast?” (p. 119)

Advice sent to President-elect Franklin D. Roosevelt (2 December 1932)
Other