Cleanliness is very important. If you let kids make a total mess in the kitchen and then leave, you're not really teaching them anything.
“Space is big. You just won't believe how vastly, hugely, mind-bogglingly big it is. I mean, you may think it's a long way down the road to the drug store, but that's just peanuts to space.”
“I'm just trying to keep my mind and my body active. The tough part about it is that physically I'm sort of limited.”