"Like all magnificent things, it's very simple"
“The greatest ideas are the simplest”
"Simplicity's the real challenge"
"Simplicity is the ultimate sophistication"
"The simplest things are often the truest"
"Make things as simple as possible but no simpler"
"There is no greatness where there is not simplicity"
"Eliminate the unnecessary so that the necessary may speak"
"Detail or nothing"