A small amount of wine such as three or four glasses is of benefit for the preservation of the health of human beings and an excellent remedy for most illnesses.

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.

Do not imagine that these most difficult problems can be thoroughly understood by any one of us.

In the realm of Nature there is nothing purposeless, trivial, or unnecessary

This must be our belief when we have a correct knowledge of our own self, and comprehend the true nature of everything; we must be content, and not trouble our mind with seeking a certain final cause for things that have none, or have no other final cause but their own existence, which depends on the Will of God, or, if you prefer, on the Divine Wisdom.

It should not be believed that all beings exist for the sake of the existence of man. On the contrary, all the other beings too have been intended for their own sakes and not for the sake of anything else.

Teach thy tongue to say 'I do not know,' and thou shalt progress.