Acknowledgments

Here's a lovely one (from Sheldon Wolin's Politics and Vision):

My intellectual debts are many, and it is a pleasure to acknowledge them. To Professors John D. Lewis and Frederick B. Artz of Oberlin College more is owed than can ever be repaid. Beginning in my undergraduate days and continuing to the present, they have combined the roles of teacher, scholar, and friend and provided the encouragement for undertaking a work of this kind. ...