Happiness is not an ideal of reason, but of imagination.
It is through good education that all the good in the world arises.
Enlightenment is the liberation of man from his self-caused state of minority... Supere aude! Dare to use your own understanding!is thus the motto of the Enlightenment.
Freedom is that faculty that enlarges the usefulness of all other faculties.
Religion is the recognition of all our duties as divine commands.
It is not God's will merely that we should be happy, but that we should make ourselves happy