This quote implies that life ought to have to do with enjoying the moments and experiences that come our means, as well as not simply sustaining them or going through the movements. It suggests that we ought to search for joy and joy in all aspects of life, instead of just attempting to make it through or survive daily.
"Life is life - whether in a cat, or dog or man. There is no difference there between a cat or a man. The idea of difference is a human conception for man's own advantage"