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.

Work before eating, rest after eating. Eat not ravenously, filling the mouth gulp after gulp without breathing space.

Lose with truth and right rather than gain with falsehood and wrong.

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.

You will certainly not doubt the necessity of studying astronomy and physics, if you are desirous of comprehending the relation between the world and Providence as it is in reality, and not according to imagination.

How individuals of the same species surpass each other in these sensations and in other bodily faculties is universally known, but there is a limit to them, and their power cannot extend to every distance or to every degree.

It is thus necessary to examine all things according to their essence, to infer from every species such true and well established propositions as may assist us in the solution of metaphysical problems.