Of ignorance and immorality
An error of knowledge is not a moral flaw, provided you are willing to correct it; only a mystic would judge human beings by the standard of an impossible, automatic omniscience. But a breach of morality is the conscious choice of an action you know to be evil, or a wilful evasion of knowledge, a suspension of sight and of thought.
That which you do not know, is not a moral charge against you; but that which you refuse to know, is an account of infamy growing in your soul.
Make every allowance for errors of knowledge; do not forgive or accept any breach of morality. Give the benefit of the doubt to those who seek to know; but treat as potential killers those... who reject an irrefutable argument by saying: 'It's only logic...
Ayn Rand: Atlas Shrugged