The Virtues of Surat As-Saff

Imam Ahmad recorded that `Abdullah bin Salam said, "We asked, `Who among us should go to the Messenger ﷺ and ask him about the dearest actions to Allah' None among us volunteered. The Messenger ﷺ sent a man to us and that man gathered us and recited this Surah, Surat As-Saff, in its entirety."'

Chastising Those Who say what They do not do

يَا أَيُّهَا الَّذِينَ آمَنُوا لِمَ تَقُولُونَ مَا لَا تَفْعَلُونَ ﴿2﴾ كَبُرَ‌ مَقْتًا عِندَ اللَّـهِ أَن تَقُولُوا مَا لَا تَفْعَلُونَ ﴿3﴾

(0 those who believe, why do you say what you do not do? It is severely hateful in Allah's sight that you say what you do not do...61:2-3)