My conscience is clear.

What does “My conscience is clear” mean?

I know I did nothing wrong, so I don't feel guilty. People say it when they are accused or doubted.

• Mind if I sit?/maɪnd ɪf aɪ sɪt/
• Name your price./neɪm jʊr praɪs/
• Nothing is over./ˈnʌθɪŋ ɪz ˈoʊvər/
• Five by five./faɪv baɪ faɪv/
• Stop bragging./stɑːp ˈbræɡɪŋ/
• It's all in your head./ɪts ɔːl ɪn jʊr hed/
• No way, no how./noʊ weɪ noʊ haʊ/
• You are gorgeous./ju ɑːr ˈɡɔːrdʒəs/