More quotes by Friedrich Nietzsche

"It is not a lack of love, but a lack of friendship that makes unhappy marriages."
"The essence of all beautiful art, all great art, is gratitude."
"Admiration for a quality or an art can be so strong that it deters us from striving to possess it."
"For art to exist, for any sort of aesthetic activity to exist, a certain physiological precondition is indispensable: intoxication."
"Sleeping is no mean art: for its sake one must stay awake all day."