Sciencehas won for us a great liberty in the physical world, a liberty from superstitious fear and from disease, a freedom touse nature as a familiar servant; but it has not freed us from ourselves.
All men are by nature free; you have therefore an undoubted liberty to depart whenever you please, but will have many and great difficulties to encounter in passing the frontiers.
Liberty begets anarchy, anarchy leads to despotism, and despotism brings about liberty once again. Millions of human beings have perished without being able to make any of these systems triumph.