You must be courteous to any guest.
- Du musst zu jedem Gast höflich sein.
I like him not because he's courteous, but because he's honest.
- Ich mag ihn, nicht weil er höflich ist, sondern weil er ehrlich ist.
Everybody likes polite people.
- Jeder mag höfliche Leute.
He took off his hat and made a polite bow.
- Er nahm seinen Hut ab und verneigte sich höflich.