He was just minding his Ps and Qs.
One minds the train the other trains the mind.
Peking duck. (it came to mind over dinner... I thought I would share the pain with everyone)
Too much Stalin'. Yeah it's bad but it made me giggle when I thought of it... :P
P in front of it
The mathematician says "2" The Physicist says "2, plus or minus 0.1" The engineer says "Probably around 2, but let's say 3 to be on the safe side".
Baryon my wayward son!
Aw-burn!
Any way you like, they have to forgive you!
When they find the position, they can't find the momentum. When they find the momentum, they can't find the position.
T and Qs.