Why not both? I think it can be helpful to put personal content in a photograph. Whether it's your day to day life, or a broader aspect of life such as your religious beliefs, political, or opinions on something. If you try to incorporate a part of who you are into your photographs, I believe they will be better because you will be passionate about it.
My last series, called 'By The Water' is aimed at describing how I feel when I'm near a large body of water. Calm, tranquil, beautiful, but also a little bit scary that big water is. Who knows what's beneath the surface?! I tried very hard to reflect that in the prints, and to me I was successful. That's tremendously satisfying, and it's a big part of my day to day life.
- Thomas