Mobile users will do everything desktop users will do, but it must be presented in a usable way. So do all that you can to make sure as many people as possible can access your content and functionality.

Brad Frost

Simplicity is about subtracting the obvious and adding the meaningful.

John Maeda

A common mistake that people make when trying to design something completely foolproof is to underestimate the ingenuity of complete fools.

Douglas Adams

Design can be art. Design can be aesthetics. Design is so simple, that's why it is so complicated.

Paul Rand

Sketches are social things. They are lonely outside the company of other sketches and related reference material. They are lonely if they are discarded as soon as they are done. And they definitely are happiest when everyone in the studio working on the project has spent time with them.

Bill Buxton, Sketching User Experiences: Getting the Design Right and the Right Design

What many refer to as intuition, then, is not the untaught or unteachable but instead is a learned understanding and respect of process, molded by experience and refined over a great deal of time and practice.

Jon Kolko, Thoughts on Interaction Design