the quality & conduct of your brother's mind, but it is an unspeakable satisfaction to see here the full manifestation of its earnestness & simplicity, its sagacity, its industry, & the patient power by which it has collected such a mass of facts, to transmute them by such sagacious treatment into such portentous knowledge. I should much like to know how large a proportion of our scientific men believe he has found a sound road.Martineau supported Darwin's theory because it was not based in theology. Martineau strove for secularism stating, "In the present state of the religious world, Secularism ought to flourish. What an amount of sin and woe might and would then be extinguished." She wrote to her fellow Malthusian (and atheist) George Holyoake enthusing, "What a book it is! – overthrowing (if true) revealed Religion on the one hand, & Natural (as far as Final Causes & Design are concerned) on the other. The range & mass of knowledge take away one's breath." To Fanny Wedgwood (the wife of Hensleigh Wedgwood) she wrote,