The changeover was complete; in the summer of 1907 I devoted myself entirely to the appearance of nature and upon these studies built my black-and-wh… - Paul Klee

When looking at any significant work of art, remember that a more significant one probably has had to be sacrificed.

Beyond the constructive elements of the picture, I studied the tonalities of nature by adding layer upon layer of diluted black watercolour paint. Each layer must dry well. In this way a mathematically correct scale of light and dark values is the result. Squinting facilitates our perception of this phenomenon in nature.

Looking back at the end of the year created a little more serious mood than before. To bring children [his son ] in the world is no trifling matter! Over the entire horizon, bluish, phosphorescent flashes of sheet shining.. ..In fact, I really do go out into the snow [near Munich] in all seriousness, station myself there, freeze, freeze stiff, but work. I accomplish little in comparison with the abundance around me, but I accomplish a great deal in comparison with the poverty and simplicity of a small bourgeois homestead.