Man must be disciplined, for he is by nature raw and wild.. - Immanuel Kant

Have the courage to use your own reason- That is the motto of enlightenment.

What might be said of things in themselves, separated from all relationship to our senses, remains for us absolutely unknown

The only quality necessary for being a citizen (i.e., a co-legislator), other than the natural one (that he is neither a child nor a woman), is that he be his own master, consequently that he have some property to support himself.