Hobbes

Leviathan

was the first general theory of politics in the English language

State of Nature

a time of war where every man is enemy to every man and a time where men live without security

Sovereignty

perpetual, inalienable, undivided, and absolute

Liberty

the absence of external impediments. The ability to act according to one’s will without being prevented from performing that act.

Natural Law

is not a law at all, but only “qualities that dispose men to peace and obedience”

Solipsism

the philosophical idea that only one’s own mind is sure to exist

Justice

is an artificial virtue. It only exists as a convention in the context of a civil society