Mishneh Torah — Negative Mitzvot מצוות לא תעשה, Chapter 289
The full Hebrew text of Mishneh Torah, Negative Mitzvot, Chapter 289, with English translation by Maimonides (Rambam).
שלא להרוג נקי, שנאמר "לֹא תִּרְצָח" (שמות כ, יב; דברים ה, טז).
Not to kill an innocent person, as [Exodus 20:13] states: "Do not murder."