Baroness Marie von Ebner-Eschenbach (Czech: Marie von Ebner-Eschenbachová, German: Marie Freifrau von Ebner-Eschenbach; September 13, 1830 – March 12, 1916) was an Austrian writer. Noted for her excellent psychological novels, she is regarded as one of the most important German-language writers of the latter portion of the 19th century.
You may find more from Marie von Ebner-Eschenbach on Wikiquote
Though it is possible to utter words only with the intention to fulfill the will of God, it is very difficult not to think about the impression which they will produce on men and not to form them accordingly. But deeds you can do quite unknown to men, only for God. And such deeds are the greatest joy that a man can experience.