The acquisition of any knowledge is always of use to the intellect, because it may thus drive out useless things and retain the good. For nothing can be loved or hated unless it is first known. (Leonardo da Vinci)

The acquisition of any knowledge is always of use to the intellect, because it may thus drive out useless things and retain the good. For nothing can be loved or hated unless it is first known.

Leonardo da Vinci

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acquisition drive good intellect known knowledge nothing retain thus use things

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