Later ethical works (16th-20th century)
מסילת ישרים
Widely-studied 18th-century work by the Ramchal.
חשבון הנפש
19th-century guide to self-improvement.
אור ישראל
Teachings of Rabbi Yisrael Salanter.
פלא יועץ
19th-century work on ethical principles.
חפץ חיים
First work to exclusively address the laws of proper speech.
שמירת הלשון
19th-century ethical treatise on proper speech.