"The greatest problem for the human species, the solution of which nature compels it to seek, is the achievement of a universal civic society which administers law."

"If justice perishes, then it is no longer worthwhile for men to live on earth."

"To be truthful (honest) in all declarations is therefore a sacred unconditional command of reason, and not to be limited by any expediency."

"The law of nations shall be founded on a federation of free states."

"Dare to know! (Sapere aude.) 'Have courage to use your own understanding!'—that is the motto of enlightenment."