The book of Nature is that which the physician must read; and to do so he must walk over the leaves.

Some children are born from heaven and others are born from hell, because each human being has his inherent tendencies, and these tendencies belong to his spirit, and indicate the state in which he existed before he was born.

But is not He who created it for the sake of the sick body more than the remedy? And is not He who cures the soul, which is more than the body, greater?

Let no one who can be his own belong to another.

As you talk, so is your heart.

A mortal lives not through that breath that flows in and that flows out. The source of his life is another and this causes the breath to flow.

The highest degree of a medicine is Love.