There is no must in art ...
More phrases
All the great things are simple, and many can be expressed in a single word: freedom, justice, honor, duty, mercy, hope.
I know but one freedom and that is the freedom of the mind.
Antoine de Saint-Exupéry
Freedom is not worth having if it does not connote freedom to err.
The amount of happiness that you have depends on the amount of freedom you have in your heart.
Thích Nhất Hạnh
Without freedom of thought, there can be no such thing as wisdom - and no such thing as public liberty without freedom of speech.
Quotes from the same author
Every work of art is the child of its age and, in many cases, the mother of our emotions. It follows that each period of culture produces an art of its own which can never be repeated.
Wassily Kandinsky
Every work of art is the child of its time, often it is the mother of our emotions.
Wassily Kandinsky
Absolute green is the most restful color, lacking any undertone of joy, grief, or passion. On exhausted men this restfulness has a beneficial effect, but after a time it becomes tedious.
Wassily Kandinsky
Of all the arts, abstract painting is the most difficult. It demands that you know how to draw well, that you have a heightened sensitivity for composition and for colors, and that you be a true poet. This last is essential.
Wassily Kandinsky
The force that propels the human spirit on the clear way forward and upward is the abstract spirit.
Wassily Kandinsky