Shaqiq b. Salama narrated that a man once came to Imam 'Ali (AS) and was talking to him. In the course of the conversation, he told Imam 'Ali (AS) that he loved him. Imam replied, 'That is not true.' The man asked, 'Why, O Commander of the Faithful?' He replied, 'Because I do not find my heart loving you, and The Prophet (SAWA) said, 'Verily spirits meet each other in the air and sense each other, and those that are in harmony with each other are mutually attracted, and those that clash repel each other.,J