Art will not only continue but will realise itself more and more. By the unification of architecture, sculpture and painting a new plastic reality wi… - Piet Mondrian

Kandinsky points out [in his book On the Spiritual in Art] that Theosophy (in its true sense; not as it generally appears) is yet another expression of the same spiritual movement which we are now seeing in painting.

Gradually I became aware [c. 1914-1918] that Cubism did not accept the logical consequences of its own discoveries; it was not developing abstraction towards its ultimate goal: the expression of pure reality.

..the elements of form have a particular aspect; every fragment, every plane, every line has its proper character.