"You must know that there is nothing higher and stronger and more wholesome and good for life in the future than some good memory, especially a memory of childhood, of home. People talk to you a great deal about your education, but some good, sacred memory, preserved from childhood, is perhaps the best education. If a man carries many such memories with him into life, he is safe to the end of his days, and if one has only one good memory left in one's heart, even that may sometime be the means of saving us."
--Fyodor Dostoyevsky, The Brothers Karamazov. Vonnegut paraphrases this as "one sacred memory from childhood is perhaps the best education".