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.
Qurʾān Bukhārī Muslim Nasāʾī Abū Dāwūd Tirmidhī Ibn Mājah Mālik Aḥmad Dārimī Ḥākim Ibn Ḥibbān Ṭabarānī Nasāʾī's Kubrá Bayhaqī al-Luʾluʾ wa-al-Marjān Ibn Rajab's Fifty Riyāḍ al-Ṣāliḥīn Aḥmad's Zuhd Suyūṭī
quran:70:33 –

And those who are in their testimonies upright  

and who are forthwith with their testimony (bi-shahādatihim: a variant reading has the plural ˹bishahādātihim, ‘their testimonies’˺), ˹those who˺ offer them and do not withhold them,
القرآن:٧٠:٣٣ –

وَالَّذِينَ هُمْ بِشَهَادَاتِهِمْ قَائِمُونَ  

{والذين هم بشهادتهم} وفي قراءة بالجمع {قائمون} يقيمونها ولا يكتمونها.