# Who serves as a soldier at his own expense?

"We all know that no soldier has to buy his own supplies." or "We all know that every soldier receives his supplies from the government." 

# Who plants a vineyard and does not eat its fruit?

"We all know that the one who plants a vineyard will be allowed to eat its fruit." or "No one expects that someone who plants a vineyard will be forbidden to eat its fruit." 

# Or who shepherds a flock and does not drink milk from it?

"We all know that those who shepherd flocks may drink milk from the flocks"