Friedrich Nietzsche Quotes: Sleeping is no mean art: for its sake one must stay awake all day. ...

Sleeping is no mean art: for its sake one must stay awake all day. (Friedrich Nietzsche)

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Friedrich Nietzsche Quotes: Sleeping is no mean art: for its sake one must stay awake all day.

Friedrich Nietzsche Quotes: Sleeping is no mean art: for its sake one must stay awake all day.

Friedrich Nietzsche Quotes: Sleeping is no mean art: for its sake one must stay awake all day.

Friedrich Nietzsche Quotes: Sleeping is no mean art: for its sake one must stay awake all day.

Friedrich Nietzsche Quotes: Sleeping is no mean art: for its sake one must stay awake all day.

Friedrich Nietzsche Quotes: Sleeping is no mean art: for its sake one must stay awake all day.

Friedrich Nietzsche Quotes: Sleeping is no mean art: for its sake one must stay awake all day.

Friedrich Nietzsche Quotes: Sleeping is no mean art: for its sake one must stay awake all day.

Friedrich Nietzsche Quotes: Sleeping is no mean art: for its sake one must stay awake all day.

Friedrich Nietzsche Quotes: Sleeping is no mean art: for its sake one must stay awake all day.

Friedrich Nietzsche Quotes: Sleeping is no mean art: for its sake one must stay awake all day.

Friedrich Nietzsche Quotes: Sleeping is no mean art: for its sake one must stay awake all day.

Friedrich Nietzsche Quotes: Sleeping is no mean art: for its sake one must stay awake all day.

Friedrich Nietzsche Quotes: Sleeping is no mean art: for its sake one must stay awake all day.

Friedrich Nietzsche Quotes: Sleeping is no mean art: for its sake one must stay awake all day.