Words can be very powerful. I find them very difficult.
Myth is very powerful and fiction is very powerful.
Endorphins are a very powerful thing.
If you look at the sponsorship yields, Formula One - because it happens every year - generates more sponsorship money for a four-year cycle than anybody else. So it is very powerful.
Hormones are very powerful things. We are helpless in their wake.
Conversely, the most powerful thing an actor can say is "no." If something is presented and it's a stereotypical role or something, you can say no to that, and that's very powerful.
Buddhism resonated very powerfully with a lot of my preoccupations.
Money is a very powerful thing, which you hardly notice when it goes right, but which can create havoc when it goes wrong.