In the perfection of faith, devotion to Allah must be founded on the utmost purity, as shown by the Prophet's (SAW) rigorous example and attention to detail in this endeavor. Here is a compilation of over 500 short excerpts that address the many kinds of impurity and harm that continually threaten a devoted Believer, and how one must continually guard against this. This guidance is taken directly from the Qur'an, tafsir, sunnah, and scholarly commentary; each excerpt is given as a straightforward translation in parallel with the original Arabic text. This compilation is the most convenient resource available to English readers who sincerely seek to understand and observe a life of purity.