Good design is usable.
Great design challenges.

Good design solves problems.
Great design enriches the soul.

Good design is functional.
Great design is fulfilling.

Good design is invisible.
Great design is in your face.

Good design is good process.
Great design is usually messy.

Good design is familiar.
Great design is uncomfortable.

Good design optimizes.
Great design discovers.

Good design is consistent.
Great design is unexpected.

Good design follows patterns.
Great design sets the new patterns.

Good design is understandable.
Great design opens new vistas.

Good design is clear.
Great design leaves room for interpretation.

Good design gets out of the way.
Great design has something to say.

Good design is for all.
Great design is for you.

When you're done with Good… aim for Great.