A sinners prayer for converting grace; or, The necessity and efficacy of the grace of God in the conversation of a sinner : Asserted and practically improved, chiefly for the direction and encouragement of the unconverted to pray for converting grace. In a sermon preach'd at the lecture in Boston, February 13th. 1734. Published, with enlargements and additions, at the request of several of the hearers. By Peter Clark, A.M. Pastor of the Church of Christ in Salem-Village. [Five lines of Scripture texts].