Are writers the best judge of their own works?

As writers we all like to think this book we are writing now will be our greatest - our major opus!  But at the end of our writing life which book or artistic creation I wonder will we  wish to be remembered by.

 In the 19th century Thomas Hardy wrote sensitive, deeply moving and memorable books on love, infidelity and betrayal, as well as the anguish and frustration suffered by labouring men with bright enquiring minds but without the financial independence to pursue the academ...