What did the father buffalo say to his son as his son was leaving?

What did the father buffalo say to his son as his son was leaving?

"Please be careful on your way to school. There are hunters out there today and I'm worried."
"It's ok, Dad," his son replied, "I'll be safe."
The son buffalo had just gotten out of sight before the dad heard the gunshots and wept. If only he'd just made him stay home....