First and foremost, I owe a great deal of gratitude to those students who ask the most interesting questions and challenge me to back up what I claim. Much of what I have learned about how to teach is due to learning from them. In addition, teaching and learning do not end at the classroom door, and so I have also been very lucky to have two demanding children, the evercurious Weymar and the ever-skeptical Victoria, neither of whom will ever settle for a lazy answer. I am blessed every day to be able to watch and help you grow and to prepare to direct the grand journey of your lives.

Writing a book is a pleasure, but the writer’s ego is far too powerful a force to allow him to properly scrutinize his own writing. I thus also owe ...

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