Today's cup of inspiration comes from ...

Kandinsky: Complete Writings On Art
This is no doubt a very big book. As an abstract painter, many times, I struggle to create my subject matter.  Read just a few paragraphs in the chapter about Color and Form, and that will be enough to get you started.

Whatever arises from internal, spiritual necessity is beautiful. The beautiful is that which is inwardly beautiful.

The artist must have something to say, for his task is not the mastery of form, but the suitability of that form to its content.