One's character (fashioned according to scripture) shows whether one is high-born or base, heroic or vainly priding himself on his manliness, pure or impure.
कुलीनमकुलीनं वा वीरं पुरुषमानिनम्। चारित्रमेव व्याख्याति शुचिं वा यदि वाशुचिम्॥