Prospectus of a course of lectures, delivered during the season of Lent, in strict conformity with Mr. Pitt's Convention Act : By John Thelwall. Second edition, with a postscript. Is is not the part of a good citizen to violate, from individual caprice, the provisions of a general law; but it is his duty to embrace every opportunity which the Legislature has not prohibited, of promoting principles conducive to the happiness of mankind.