Caught this a while back and been meaning to post it.
Young people who pretend to be wise to the ways of the world are mostly just cynics. Cynicism masquerades as wisdom, but it is the farthest thing from it. Because cynics don’t learn anything. Because cynicism is a self-imposed blindness, a rejection of the world because we are afraid it will hurt us or disappoint us. Cynics always say no. But saying “yes” begins things. Saying “yes” is how things grow.
More from this speech by Stephen Colbert.
The following clip begins towards the end, but captures the quote above.