No disease that can be treated by diet should be treated with any other means.

We each decide whether to make ourselves learned or ignorant, compassionate or cruel, generous or miserly. No one forces us. No one decides for us, no one drags us along one path or the other. We are responsible for what we are.

He, however, who begins with Metaphysics, will not only become confused in matters of religion, but will fall into complete infidelity.

You must accept the truth from whatever source it comes.

If a person studies too much and exhausts his reflective powers, he will be confused, and will not be able to apprehend even that which had been within the power of his apprehension. For the powers of the body are all alike in this respect.

Hold firmly to your word.

Know that for the human mind there are certain objects of perception which are within the scope of its nature and capacity; on the other hand, there are, amongst things which actually exist, certain objects which the mind can in no way and by no means grasp: the gates of perception are closed against it.