A state of quietness Tea is said to be the way. This is because it is something one learns to appreciate through feeling, not through verbal instructions. If a person maintains a state of quietness, only then will one appreciate the quietness inherent in tea. Lu Yu, The Book of Tea silenceunderstanding
What the problem is Sometimes the problem is to discover what the problem is. Gordon Clegg, The Design of Design (Cambridge Engineering Series) The heart of systems engineeringComplete and consistent requirements problemsdesignux