عَنْ أَنَسِ بْنِ سِيرِينَ قَالَ: رَأَيْتُ أَنَسَ بْنَ مَالِكٍ يَسْتَشْرِفُ لِشَيْءٍ وَهُوَ فِي الصَّلَاةِ، يَنْظُرُ إِلَيْهِ
Anas bin Sirin (may Allah have mercy on him) says: I saw Sayyiduna Anas bin Malik (may Allah be pleased with him) raise his gaze towards something while he was in prayer, and he would look at it.