Likutei Moharan, Part II 38:2/ליקוטי מוהר"ן·תנינא ל״ח:ב׳

12. And the ways in which the greater person diminishes and subordinates himself to the smaller one, so that the latter might receive his light, are varied. It all depends on the situation. Sometimes, it takes a mere motion. Other times, he has to go and travel to him. It all depends on the situation. It is like a candle that blew out. We know empirically that as long as there is a bit of a glow, it is still possible to light it just by bringing it somewhat closer to a burning candle, i.e., by holding it down below, near the lit candle. This is because it still has a bit of a glow. However, when the glow is completely gone, one cannot light it from a distance but has to bring it right next to the fire; or the reverse….