No, they were there, these missionaries, to fulfill some spiritual need of their own. It was a noble need, its purposes unselfish, partaking doubtless of that divine need through which God so loved the world that He sent His only begotten Son for its salvation. But somewhere I had learned from Thoreau, who doubtless learned it from Confucius, that if a man comes to do his own good for you, then must you flee that man and save yourself.