“... have a smile for everyone you meet and a plan to kill them.”
“Have a smile on your face for everyone you meet, and a plan to kill them.”
“Be nice to everyone you meet...but always have a plan to kill them.”
“Be professional, be polite, but have a plan to kill everyone you meet.”
“Encourage everyone you meet with a smile or compliment. Make them feel better when you leave their presence and they will always be glad to see you coming.”
“You can't go around making plans that have you getting killed as a by-product. Eventually one of them is going to work.”