Whether you are new to the Arabic language or speaking already, these following resources are definitely a must have for education, revision and teaching.
One of the reported instructions ‘Umar wrote to Abû Mûsâ Al-Ash’arî and those under his governance during the former’s Caliphate was,
“Seek knowledge and understanding of (fiqh) the Sunnah and seek knowledge and understanding of Arabic.”
Ibn Abî Shaybah, Al-Musannaf Vol.6 p126.
It is reported that he said,
“Learn Arabic, for it strengthens the intelligence and increases one’s noble conduct (al-murû`ah).”
Al-Bayhaqî, Shu’ab Al-Îmân Vol.4 p187.
It is also reported that he said,
“Do not learn the language of the non-Arabs, and do not enter upon them in their churches on their festivals, for indeed wrath descends upon them.”
‘Abd Al-Razzâq Al-San’ânî, Al-Musannaf Vol.1 p411.
It is also reported that he was once circumambulating the Ka’bah when he heard two men speaking in a language other than Arabic behind him. He turned to them and said,
“Find some way to learn Arabic.”
‘Abd Al-Razzâq Al-San’ânî, Al-Musannaf Vol.5 p496.
It is reported that Ubay b. Ka’b – Allâh be pleased with him – said, “Learn Arabic just as you learn to memorize the Qurân.”
Ibn Abî Shaybah, Al-Musannaf Vol.7 p150.
It is reported that Ibn ‘Umar – Allâh be pleased with them – used to hit his children for making language errors.
Tahdhîb Al-Tahdhîb Vol.9 p292.
It is reported that Shu’bah – Allâh have mercy on him – said,
“Learn Arabic, for it increases the intelligence.”
Tahdhîb Al-Tahdhîb Vol.4 p303.
It is reported that ‘Attâ b. Abî Rabâh – Allâh have mercy on him – said, when he was ninety years old.
“I wish I were fluent in Arabic,”
Al-Dhahabî, Siyar A’lâm Al-Nubalâ`, in his biography of ‘Attâ b. Abî Rabâh.
It is reported that Ibn Shubrumah – Allâh have mercy on him – said,
“Men have never worn a garment more beautiful than Arabic.”
Al-Bayhaqî, Shu’ab Al-Îmân Vol.4 p197.