The liberty of man consists solely in this: that he obeys natural laws because he has himself recognized them as such, and not because they have been externally imposed upon him by any extrinsic will whatever, divine or human, collective or individual.
Bio: Yves Klein was a French artist considered an important figure in post-war European art. He is the leading member of the French artistic movement of Nouveau réalisme founded in 1960 by art critic Pierre Restany.