From Mark Twain, American writer, to Olivia Langdon, his future wife – May 12, 1869
"Out of the depths of my happy heart wells a great tide of love and prayer for this priceless treasure that is confided to my life-long keeping. You cannot see its intangible waves as they flow towards you, darling, but in these lines you will hear, as it were, the distant beating of the surf."