Title: Opcional

Text: That is the only thing which the mind can never exhaust, never alienate, never be tortured by, never fear or distrust, and never dream of regretting. Learning is the thing for you. Look at what a lot of things there are to learn - pure science, the only purity there is. You can learn astronomy in a lifetime, natural history in three, literature in six. Cada párrafo será una prueba.

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