Quote from A Course in Miracles Text Chapter 23 - THE WAR AGAINST YOURSELF.

T-23.III.1. Is it not true you do not recognize some of the forms attack can take? 2 If it is true attack in any form will hurt you, and will do so just as much as in another form that you do recognize, then it must follow that you do not always recognize the source of pain. 3 Attack in any form is equally destructive. 4 Its purpose does not change. 5 Its sole intent is murder, and what form of murder serves to cover the massive guilt and frantic fear of punishment the murderer must feel? 6 He may deny he is a murderer and justify his savagery with smiles as he attacks. 7 Yet he will suffer, and will look on his intent in nightmares where the smiles are gone, and where the purpose rises to meet his horrified awareness and pursue him still. 8 For no one thinks of murder and escapes the guilt the thought entails. 9 If the intent is death, what matter the form it takes?