- Smile.
- Greet the doorman.
- Hold the door.
- Remove your backpack on the subway.
- Keep right -- on the road, on the sidewalk, and on the staircase.
- Wipe down the treadmill when you're finished.
- Hold the elevator.
- Offer your seat.
- Wait your turn.
- Ask politely.
- Text or walk -- but not both at once, please.
- Say thank you.
- Keep your voice down.
- Write thank you notes.
- Return phone calls.
- Watch your language.
- Return what you borrow.
- Have your MetroCard ready.
- Pay attention.
- Listen carefully.
- Follow instructions.
- Be gentle.
- Follow the rules.
- Pick up your trash.
- Be a mensch.
Mr. Rogers would be proud.