AS for all those mistakes I make - they are on purpose - to teach you how to deal with them
Donald A. NormanLearning should take place when it is needed, when the learner is interested, not according to some arbitrary, fixed schedule
Donald A. NormanReaders always seem to think that the author has some control over the design of their books.
Donald A. NormanAlso note that invariably when we design something that can be used by those with disabilities, we often make it better for everyone
Donald A. Norman