"Seven Corps Will Rise,
Seven Corps Will Shine Their Light Brightly,
Seven Corps Will Be At War."
While Green represents willpower and Yellow represents fear, the Indigo Lanterns represent Compassion, and their mission is typified by the spreading of goodwill throughout the universe. To this end, each member is attired in a fashion which suggests a personal philosophy of poverty.
Gandhi was the first person that came to my mind when it came time to pick members, in particular their modest fashion statement.