You might have got ten or more years of experience in a particular programming language. But when it comes to arguing about programming techniques using this statement makes you look like a totally newbie. It just is obvious then that you haven't learned much.

I really like arguing and discussing about coding. And I'm always open to change my mind if you manage to bring up reasonable arguments. In fact you often have superb chances convincing me as I am a rather unexperienced developer yet. But arguments like "believe me I'm programming since 1754" neither doesn't help me in any way nor does it really impress me. The next time I'm hearing this sentence it will mean immediate end of discussion for me.

I am in a constant learning process. Rarely will you see me without reading a book during lunch break. I'm following newsgroups discussions and technical blogs. In my opinion this is an essential part in the profession of software developers. So from any discussions I'm participating I expect to gain something useful. So instead of "just believe me, Junior", it is better to say that you just don't feel like arguing now. This is much more honest and I would still have respect for you.