1o_ Also gaya doctrine, is the sum of knowledge to create poetry. It is a medieval expression, formed by gay (of the occitan gai, "joy" ) and science (of Latin scientia, "set of knowledge"). See also gay . 2nd_ 'The Gay Science' (Die Fryhliche Wissenschaft "The Joyful Science") is a philosophical work by Friedrich Nietzsche published in 1882.
* Only one "like" per meaning and day, the more "likes" the meaning will appear higher in the list
