“Don't you hate it when somebody knows you better than you know yourself?”
Homecoming saga, Earthborn (1995)
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Orson Scott Card 586
American science fiction novelist 1951Related quotes
Source: This is All: The Pillow Book of Cordelia Kenn

“You know your the best when people you don't know hate you.”

“That's the problem with best friends. Sometimes they know you better than you know yourself.”
Source: Nobody Does it Better

Paris Review interview (1958)
Context: Always dream and shoot higher than you know you can do. Don't bother just to be better than your contemporaries or predecessors. Try to be better than yourself. An artist is a creature driven by demons. He don’t know why they choose him and he’s usually too busy to wonder why. He is completely amoral in that he will rob, borrow, beg, or steal from anybody and everybody to get the work done.
“… you realize that you don't understand yourself any better than you understand anyone else.”
Source: This is Where I Leave You

Il y avait un nombre important de questions que je m'étais posées et, comme vous le savez, lorsqu'on se pose vraiment les questions, on donne de meilleures réponses que si l'on se contente de lire les réponses convenues.
explaining how he came to write his textbook on quantum mechanics, in Descente au coeur de la matière, an interview edited by [Stéphane Deligeorges, Le monde quantique, Editions du Seuil, Sciences et Avenir, 1984, 2020089084, 111]