Hadith #4012Hot Baths (Kitab Al-Hammam) · Narrated by Abdul Malik bin Aby عبد الملك بن أبي سليمان, Abu Bakr bin 'Ayyash al-Asadi أبو بكر بن عياش بن سالم الأسدي, al-'Aswad bin 'Amir Shadhan الأسود بن عامر شاذان, Ata' bin Abi Rabah عطاء بن أبي رباح, Muhammad bin Ahmed bin Abi Khalaf محمد بن أحمد بن أبي خلف, Safwan bin Y'ala bin Umayya صفوان بن يعلى بن أمية, Ya'la bin Umayya · Sahih
The Messenger of Allah (ﷺ) saw a man washing in a public place without a lower garment. So he mounted the pulpit, praised and extolled Allah and said: Allah is characterised by modesty and concealment. So when any of you washes, he should conceal himself.