They must be intelligent and sharp witted. They are good inspirers but they can't interrupt the guests too often.
他们可以是嘉宾很好的引导者，但是不能经常打断嘉宾们的话语。
2
I say there are enough pessimists and "realists" in the world. The world doesn't need more negativity and impossible thinkers. The world needs more optimists, encouragers, and inspirers.