Thomas Guthrie — Scottish Clergyman died on December 30, 1873

Thomas Guthrie D.D. was a Scottish divine and philanthropist, born at Brechin in Angus. He was one of the most popular preachers of his day in Scotland, and was associated with many forms of philanthropy—especially temperance and Ragged Schools, of which he was a founder... (wikipedia)

The more the diamond is cut the brighter it sparkles; and in what seems hard dealing, there God has no end in view but to perfect His people.
As in nature, as in art, so in grace; it is rough treatment that gives souls, as well as stones, their luster.
Do it now. It is not safe to leave a generous feeling to the cooling influences of the world.