Love can be seen in a Lover

If you wish to see Love, you should meet a lover. Then you will discover its unique currents. A lover is like a cup witch is overflowing with the Elixir of Love, and by looking at him a desire to follow him is awakened.

Shamas-i-Tabrez says:

If you are unable to detect a lover, you should at least see the spark of love in him. A tiny spark of that special current enabled Mansur to ascent the scaffold with a smile and sacrifice his life.