Caution: Translations of Quran and Ḥadīth may lead to possible misapplications and misinterpretations. This site is intended for students of sacred knowledge that are proficient in comprehending classical Arabic and have a strong foundation in Islamic sciences. Also note that religious injunctions rely on several aspects beyond what one may glean through reading individual aḥādīth.
darimi:349al-Muʿallá b. Asad > Sallām > Ibn Abū Muṭīʿ > Abū al-Hazhāz > al-Ḍaḥḥāk

[Machine] "Abdullah bin Mas'ud said, 'Tomorrow, be either a scholar or a student, for there is no good in anything else.'"  

الدارمي:٣٤٩أَخْبَرَنَا الْمُعَلَّى بْنُ أَسَدٍ حَدَّثَنَا سَلَّامٌ هُوَ ابْنُ أَبِي مُطِيعٍ قَالَ سَمِعْتُ أَبَا الْهَزْهَازِ يُحَدِّثُ عَنِ الضَّحَّاكِ قَالَ

قَالَ عَبْدُ اللَّهِ بْنُ مَسْعُودٍ «اغْدُ عَالِمًا أَوْ مُتَعَلِّمًا وَلَا خَيْرَ فِيمَا سِوَاهُمَا»