“To think that in a moment all will be said, all to do again.”

Haunted (2005)
Variant: I used to think the secret to a happy ending was to bring down the curtain at the exact right time. A moment after happiness, then everything's all wrong, again.

Source: A Walk in the Woods

Variant: Realize deeply that the present moment is all you will ever have.
Source: A New Earth: Awakening to Your Life's Purpose

Quote of Rauschenberg (1961), as cited in Introduction, Roberta Bernstein, from catalog 'The White and Black Paintings'
from a recording of a symposium in 1961, Larry Gagosian Gallery, New York, 1986
1960's

Speech in the House of Commons (14 July 1989) http://hansard.millbanksystems.com/commons/1989/jul/14/foreign-affairs <br class="br">Post-Prime Ministerial

On the main character in his novel The Catcher in the Rye, as quoted in Asks Appeals Court to Uphold Ban on ‘Catcher’ Sequel&quot; in The New York Times (14 August 2009) http://artsbeat.blogs.nytimes.com/2009/08/14/salinger-asks-appeals-court-to-uphold-ban-on-catcher-sequel/&quot;Salinger

House Rules

Source: Trusting Soul

Lines written for River Song, in Forest of the Dead [4.9] (7 June 2008)
Context: When you run with the Doctor, it feels like it'll never end. But however hard you try you can't run forever. Everybody knows that everybody dies and nobody knows it like the Doctor. But I do think that all the skies of all the worlds might just turn dark if he ever, for one moment, accepts it.