This set of stackable espresso mugs depict Frank Lloyd Wright's philosophy of organic human interactions. His Organic Commandment was first produced as a limited print by Taliesin Press in 1934. The ceramic mugs are 6 ounces and come in a boxed set.
The four Organic Truths include:
Love - The virtue of the heart
Sincerity - The virtue of the mind
Courage - The virtue of the spirit
Decision - The virtue of the will