Fall in love with the user… not the technology.
This was something one of us would tell his students during their very first day of class. He would, facetiously, add that they should tattoo that phrase inside their left eyelid. There was a reason for this.
When living in a world of design and development, it is all too easy to fall into the trap of focusing on the tools being used to design the project or the code libraries, languages, ...