Color is powerful.  That’s what the Russian-born abstract artist Wassily Kandinsky believed, and certainly it was a force in his paintings and theories between the late 1800s and mid 1900s.  For Kandinsky, abstract colors and forms express inner life.

....Looks rather humble yet its roots are rare and deep. Made by glass craftsmen in Venice, Italy, between the 17th and 19th centuries, green hearts were literally used as....