"The two Great Unknowns, the two Illustrious Conjecturabilities! They are the best known unknown persons that have ever drawn breath upon the planet."

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What I achieve the first day can be perfectly valid, but it is not satisfying. If I can go that far spontaneously, then I must shed that result as an old skin and inquire further into the unknown, or at least the not-yet-known-to-myself.

— Pablo Picasso