The true lover of knowledge naturally strives for truth, and is not content with common opinion, but soars with undimmed and unwearied passion till he grasps the essential nature of things.

No attempt of curing the body should be made without curing the soul

Is what is moral commanded by God because it is moral, or is it moral because it is commanded by God?

I can show you that the art of calculation has to do with odd and even numbers in their numerical relations to themselves and to each other.

Music is moral law. It is the essence of order and leads to all that is good, true and beautiful.

The soul takes flight to the world that is invisible but there arriving she is sure of bliss and forever dwells in paradise.

If the study of all these sciences which we have enumerated, should ever bring us to their mutual association and relationship, and teach us the nature of the ties which bind them together, I believe that the diligent treatment of them will forward the objects which we have in view, and that the labor, which otherwise would be fruitless, will be well bestowed.