Natural forces within us are the true healers of disease.
Make a habit of two things: to help; or at least to do no harm.
If someone wishes for good health, one must first ask oneself if he is ready to do away with the reasons for his illness. Only then is it possible to help him.
There are in fact two things, science and opinion. The former begets knowledge, the latter ignorance.
To really know is science; to merely believe you know is ignorance.
Prayer indeed is good, but while calling on the gods a man should himself lend a hand.