Architecture related tatttoos?

I really want to get a tattoo but am having a hard time putting what is important to me into a design. I'm becoming an architect and the idea of creating and changing the world really speaks to me. Does anyone have any ideas of either images or quotes that may make a good tattoo that really inspires me to keep working towards my dreams and also shows what is important to me. I realize that it's hard for anyone to actually know what suits me, but I'd like to hear some opinions regardless.