Good design is obvious. Great design is transparent.
To design is to communicate clearly by whatever means you can control or master.

Design is the creation of a plan or convention for the construction of an object or a system.
Design is not just what it looks like and feels like. Design is how it works.
Design is about making things good (and then better) and right (and fantastic) for the people who use and encounter them.
Design is a solution to a problem. Art is a question to a problem.
The details are not the details. They make the design.

Design is the intermediary between information and understanding.
Design is not a single object or dimension. Design is messy and complex.
Design creates culture. Culture shapes values. Values determine the future.
Simplicity is the ultimate sophistication.

Design is a plan for arranging elements in such a way as best to accomplish a particular purpose.
Design is not just what it looks like. Design is how it works.
You can design and create, and build the most wonderful place in the world. But it takes people to make the dream a reality.
Design is intelligence made visible.
The role of the designer is that of a good, thoughtful host anticipating the needs of his guests.

Design is where science and art break even.
Design is thinking made visual.
Design is the fundamental soul of a man-made creation that ends up expressing itself in successive outer layers of the product or service.