When Lord Śiva was being worshiped by Pārvatī, Lord Śiva was naked and Pārvatī was worshiping the śiva-liṅga, but he did not become agitated. Therefore Kālidāsa has described: dhīra. Dhīra. One who is not... The first disturbance is sexual disturbance. So anyone, although he is completely potent with all the potencies, but still, he is not disturbed with sex impulses, he's called dhīra. Actually, that is called brahmacārī. Brahmacārī is not he is impotent.