The essence of architecture is form and space, and light is the essential element to the key to architectural design, probably more important than anything. Technology and materials are secondary.

To me, form doesn't always follow function. Form has a life of its own, and at times, it may be the motivating force in design. When you're dealing with form as a sculptor, you feel that you are quite free in attempting to mould and shape things you want to do, but in architecture, it's much more difficult because it has to have a function.