What is the full statement of Sheikh Al-Albani—may Allah have mercy on him—in Silsilah Al-Sahihah under Hadith 2920: "He (the Prophet) never used to leave two rak'ahs before Fajr and two rak'ahs after 'Asr"?

In summary, the two rak'ahs after 'Asr are a Sunnah if 'Asr prayer is performed with them before the sun turns yellow. 'Umar's prohibition of them was a matter of ijtihad (independent reasoning), which some Companions agreed with and others disagreed with, most notably Umm al-Mu'minin 'A'ishah, may Allah be pleased with her. Each of the two groups had those who agreed with them, so it is necessary to refer back to the Sunnah, which is firmly established and authentic through the narration of Umm al-Mu'minin, without any evidence contradicting it, except for the general ruling that is specified by the hadith of 'Ali and Anas. It is appropriate that we remind the Ahl al-Sunnah who are keen on reviving the Sunan to pray these two rak'ahs whenever they pray 'Asr at its prescribed time.