If man in the state of nature is free, and lord of his own possessions, why will he give up his freedom? the answer is that right in the state of nature are constantly exposed to attack by others. hence each man joins in society to preserve his life, liberty, and property. whenever the ruler endeavors to take away the property of the people, or reduce them to slavery… they are removed from any further obedience and left to… rise up with force and violence." - john locke, the second treatise of government (1690) john locke's main enlightenment idea in the passage was what?