People Who Live In Glass Houses...

Should not throw stones. Among other things.

Should not change without a towel.
Should not burn too many candles.
Should not bother investing in a burglar alarm system.
Should not slam the door.
Should not install magnifying glasses as skylights.
Should not let their pipes freeze.
Should not place birdfeeders on their roof.
Should not run the car in the garage.
Should not leave their valuables unattended.
Should not stay indoors during a meteor shower.
Should not try to tack up a photo of their grandkids.
Should not install a brass door knocker.