Johann Wolfgang von Goethe,
Autobiography: Truth and Fiction Relating to My Life
“ Now the prophecies of an endless posterity are renewed; nay, they take a wider and wider scope. From the waters of the Euphrates to the river of Egypt all the lands are promised him, but yet there seems a difficulty with respect to his next heirs. He is eighty years of age, and has no son. Sarai, less trusting in the heavenly powers than he, becomes impatient: she desires, after the Oriental fashion, to have a descendant, by means of her maid. ”
