This is a quote from the book "The ​Virtue Of Selfishness" by Ayn Rand
...o perpetual tribal warfare of prehistorical savages.

The use of physical force — even its retaliatory use — cannot be left at the discretion of individual citizens. Peaceful co
existence is impossible if a man has to live under the constant threat of force to be unleashed against him by any of his neighbors at any moment. Whether his neighbors’ intentions are good or bad, whether their judgment is rational or irrational, whether they are motivated by a sense of justice or by ignorance or by prejudice or by malice — the use of force against one man cannot ...
read full book block explorer