It is for the purpose of self preservation that man needs a code of morality.
The only man who desires to be moral is the man who desires to live.
– Ayn Rand
Related posts:
How Does Something Immoral, when Done Privately, Become Moral when It is Done Collectively? 
There comes a time when a moral man can’t obey a law which his conscience tells him is unjust. 
Live Free or Die. Death is Not the Worst of Evils. 
Government is the great fiction through which everybody endeavors to live at the expense of everybody else. 
Better to Fight and Fall, Than to Live Without Hope. 
I prefer peace, but if trouble must come, let it come in my time, so that my children can live in peace. 
One has a Moral Responsibility to Disobey Unjust Laws 
Everyone Wants to Live at the Expense of the State. They Forget that the State Lives at the Expense of Everyone
Without morality or a moral code, civilization wouldn’t exist. Tells you why we are having trouble now.
Or woman!