1) The Prophet Muhammad advised that the deed most likely to lead people to Paradise is piety and good character. 2) The document discusses the importance and meaning of righteousness/piety in Islam. It states righteousness means obeying God's commands and avoiding prohibitions inwardly and outwardly out of respect, fear, and gratitude towards God. 3) The document lists several rewards for righteousness mentioned in the Quran, including God's protection, knowledge, forgiveness of sins, safety from Hellfire, and entrance to Paradise. It emphasizes the Prophet and early Muslim leaders advised followers to pursue righteousness above all else.