Sin is committed in thoughts first.

If we think about anything, the shape is emerged in our mind and hence the mind power is very great. Our thought process is making good and bad and thus paves the way for making friends and enemies around us in the environment.Therefore mind purification is very important to have good life. Thanks for the referral Mr.Mallika, Mr.Virag Shah, and Ms.Bindu.

The Thirukural, by God-poet,Valluvar also, says that," Just thinking of doing evils to others is an Evil"

So, Evil Thinking leads to Evil act that needs to be arrested by all, by all means of practice.

Thanks for referral Malika

true, mditation is best cleanser.

Thoughts whether good or bad happens in an individuals brain how an individual controls them is based on his culture, his social background, the company he keeps and so on.

Culprits are those who are caught and proved criminals/sinnrs and such guys may be less than 1%-2% of populace but those who think of committing crime or sin but dont dare or do not get opportunity are more than 99%. Thus our Indian Politicians who do not accept their faults even after being sentenced by lower courts of law and claim that they are not guilty unless proved so by apex court can never let the things improve. Need is to curb the tendency at the level of thoughts. Every Politician and others too, must remember the saying of our beloved father of the nation, Mahatma Gandhi " Be true to your self, hide not your thoughts. If it is shameful to reveal them, it is more shame ful to think of them." If you want good society, stop bad thoughts.