Infernal affairs classic lines?

1. Things often change people, but people can't change things.

2. If a person looks at another person casually while doing one thing, he is a policeman.

Give me a chance, I want to be a good person.

Everyone knows that survival is often more cruel than fate, but no one is willing to give up. We were all on the road and forgot the way out.

You're a policeman, we're gangsters, so just accept our fate.

Let's finish this meal happily, no matter who we send.