Elizabeth Sanderson Haldane,
Dictionary of National Biography…
(1912)
“ He held strongly that questions of ethics and politics must be regarded from the metaphysical point of view. For him the foundation of ethics necessarily rested on the ideal end of social well-being, and keeping this end in view, he proceeded to trace its history at different times, the manner in which it shapes itself in the mind of each individual, and the way in which it can be developed and realised. Ritchie was an advanced liberal with socialistic leanings. He considered that the ultimate value of religion depended on the ideal it set before mankind when represented in its highest form. ”
