Ruling on thinking of haraam things without actually doing them

No File Exists
Check below answers in case you are looking for other related questions:
Does committing a sin openly put a person beyond the pale of Islam?
Attributes of the one who gains the reward for giving iftaar to one who is fasting

No File Exists
Related Answers:
How should she deal with her husband who drinks alcohol?
He masturbated a great deal during Ramadaan – what should he do?
Is there any sin on him if he takes out a loan for someone else and he does not pay it off?
Does committing a sin openly put a person beyond the pale of Islam?
Attributes of the one who gains the reward for giving iftaar to one who is fasting

Recommended answers for you:
Ways of Treating Magic
Definition of the blood which invalidates the fast
The reason behind ‘aqeeqah
Is it obligatory to wash one's hair when doing ghusl after having intercourse?
Conditions of wiping over socks