This is a quote from the book "The Virtue Of Selfishness" by Ayn Rand
...without such rules, are a lynch mob. If a society left the retaliatory use of force in the hands of individual citizens, it would degenerate into mob rule, lynch law and an endless series of blo
ody private feuds or vendettas.
read full book
If physical force is to be barred from social relationships, men need an institution charged with the task of protecting their rights under an objec
tive code of rules.
This is the task of a government — of a proper government — its basic task, is only moral justification and the reason why men do need a government.