SIMPLY BECAUSE YOUR BLOOD IS ONLY LIKE WATER, YOUR BRAIN IS SLOUGHING, YOUR BODY IS WEAK!

Don't you see how Englishmen and women, when they catch our ideals, become mad as it were; and although they are the ruling class, they come to India to preach our own religion notwithstanding the jeers and ridicule of their own countrymen? How many of you could do that? And why cannot you do that? Do you not know it? You know more than they do; you are more wise than is good for you, that is your difficulty! Simply because your blood is only like water, your brain is sloughing, your body is weak! You must change the body. Physical weakness is the cause and nothing else.

- Swami Vivekananda 
The Complete Works of Swami Vivekananda/Volume 3/Lectures from Colombo to Almora/Vedanta in its Application to Indian Life