These are two great quotes on design that'll inspire anyone. The first (on the left) takes you out of the heady space that can cause many designers to become stuck. Always remember you want to design something that can integrate itself into the everyday. The second (on the right) serves as a reminder that beauty doesn't come from a design itself, but through a careful and caring use of the basic elements of design. Put your love into your designs!
This is an essential for any designer. It lays out nearly 100 different typefaces, so when you're choosing one for your design, you have this as a quick visual references.
That being said....