The Prophet ๏ทบ once said:
"What is Ihsan (perfection)?" Gabriel asked. Allah's Messenger ๏ทบ replied, "To worship Allah as if you see Him, and if you cannot achieve this state of devotion then you must consider that He is looking at you."
Ihsan is not a level above Islam. It is Islam perfected - when you strip away the performance and the fear of judgment, and worship Allah with the awareness that He is watching.
Most people pray when they are being watched and forget when they are alone. But the person of ihsan prays the same way at midnight in their room as they do in the mosque. Because for them, Allah's presence is constant.
