"One cannot design a user experience, only design for a user experience. In particular, one cannot design a sensual experience, but only create the design features that can evoke it".
 - Jeff Johnson
"Information Foraging is the most important concept to emerge from human-computer interaction research since 1993".
 - Jakob Nielsen
"The affordances of the environment are what it offers the animal, what it provides or furnishes, either for good or ill".
 - James J. Gibson
"Design is not just what it looks like and feels like. Design is how it works".
— Steve Jobs
"Pay attention to what users do, not what they say".
— Jakob Nielsen
"Simple is hard. Easy is harder. Invisible is hardest".
— Jean-Louis Gassée
"If we want users to like our software we should design it to behave like a likeable person: respectful, generous and helpful".
— Alan Cooper
"As far as the customer is concerned, the interface is the product".
— Jef Raskin
"Everything is designed. Few things are designed well".
— Brian Reed
"The best products don’t focus on features, they focus on clarity".
— Jon Bolt
"Your most unhappy customers are your greatest source of learning".
— Bill Gates
"There’s a big difference between making a simple product & making a product simple".
— Des Traynor, Warmgum 2014
"Good designers want to be proved wrong, bad designers hope to be proved right".
— Andy Budd
"At the end of the day is how the user remembers the experience. Focus on key experiences".
— Shawn Borsky
"If you think good design is expensive, you should look at the cost of bad design".
— Dr. Ralf Speth, CEO Jaguar
"Designers shooting for usable is like a chef shooting for edible".
— Aarron Walter
"Want your users to fall in love with your designs? Fall in love with your users".
— Dana Chisnell
"Supposing is good, but finding out is better".
— Mark Twain
"Confusion and clutter are the failure of design, not the attributes of information".
— Edward R Tufte
"Usability is not a quality that can be spread out to cover a poor design like a layer of peanut butter".
— Clayton Lewis
"If you just keep adding features without considering overall structure, your app becomes like the Winchester Mystery House".
— Peter Merholz
"If there’s a ‘trick’ to it, the UI is broken".
— Douglas Anderson
"Simplicity is the ultimate sophistication".
— Leonardo da Vinci
"Think like a wise man but communicate in the language of the people".
— William Butler Yeats
"I strive for two things in design: simplicity and clarity. Great design is born of those two things".
— Lindon Leader
"A beautiful product that doesn’t work very well is ugly".
— Jony Ive
"Thinking about design is hard, but not thinking about it can be disastrous".
— Ralph Caplan
"Simplicity is about subtracting the obvious and adding the meaningful".
— John Maeda
"Design is a funny word. Some people think design means how it looks. But of course, if you dig deeper, it’s really how it works".
— Steve Jobs
"Embrace the failure".
— Milton Glaser
"When the only tool you own is a hammer, every problem begins to resemble a nail".
— Abraham Maslow
"Want to grow as a designer? Spend most of your time thinking about how it works, as opposed to how it looks".
— Josh Puckett
"The life of a designer is a life of fight: fight against the ugliness". - Massimo Vignelli