This is a quote from the book "The ​Virtue Of Selfishness" by Ayn Rand
...e is a code of morality.”

The standard of value of the Objectivist ethics — the standard by which one judges what is good or evil — is man ’s life, or: that which is requir
ed for man’s survival qua man.

Since reason is man’s basic means of survival, that which is proper to the life of a rational being is the good; that which negates, opposes or d
estroys it is the evil.

Since everything man needs has to be discovered by his own mind and produced by his own effort, the two essentials of the method of survival proper to a rat...
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