Every advice that makes the speaker sound smart is not only awesome, but it's practical too. Here's a real-life example from silky-voiced Mike Rowe of Dirty Jobs.

The question to Mr. Rowe was, "What is your job advice to people who are trying to find work?"

First, here's his full answer. Following that is his answer in stages, with replies from someone who's not trying to suck his own dick. At least in public, anyway.