Dhīra means sober, is not disturbed. A person who is not disturbed by paltry causes, he's called dhīra. Another example of dhīra is given by poet Kālidāsa. He was a great poet, mundane poet. So he said that dhīra is one who is not disturbed even in the presence of disturbance. When there is no disturbance, one may not be disturbed, but in the presence of disturbance, one who is not disturbed, he is called dhīra. The cause of disturbance. Just like a person trained in restriction of sex life, so when he's perfect, even there is cause of sex impetus, he'll not be disturbed. That is the, called dhīra. So he is describing that "These persons are highly elevated. You are also My friend. Why you are disturbed in this way? That does not look well."