In man (as the only rational creature on earth) those natural capacities which are directed to the use of his reason are to be fully developed only in the race, not in the individual.
Immanuel KantFreedom is independence of the compulsory will of another, and in so far as it tends to exist with the freedom of all according to a universal law, it is the one sole original inborn right belonging to every man in virtue of his humanity.
Immanuel KantThere is a limit where the intellect fails and breaks down, and this limit is where the questions concerning God and freewill and immortality arise.
Immanuel Kant