1.What is it that we neber borrow but often return

题目

1.What is it that we neber borrow but often return
2.What is it that can carry a message to anybody in any town.
3.It takes three generations to make a gentleman .
4.There is no royal to learning .
5.Seek the turth form facts .
不好意思……分不多了……

答案

Are they all the riddles?
1. Thanks!
2. Mailers, or couriers.
3. Knowledge?
I don't understand the last two.