In a letter to Benjamin Colman. -At the latter end of the year 1733, there appeared a very unusual flexibleness, and yielding to advice, in our young people. It had been too long their manner to make the evening after the sabbath, and after our public lecture, to be especially the times of their mirth, and company-keeping. But a sermon was now preached on the sabbath before the lecture, to show the evil tendency of the practice, and to persuade them to reform it...