Your patience would fail you if I should continue to relate all the disrespectful speeches and treatment which your servants have been obliged to listen to and patiently to bear. ↗
I can't read all the books I want to read, I can't watch all the phenomena that interest me in the world. The work calls me, and sometimes I wonder whether this is an obsession and I should drop it, or it's a necessity I'm obliged to fulfill. ↗
I was obliged to stand there, holding the leash of this creature for their welcoming publicity shots, implying that this was some kind of image the decided to have of me. ↗
Life has obliged him to remember so much useful knowledge that he has lost not only his history, but his whole original cargo of useless knowledge; history, languages, literatures, the higher mathematics, or what you will - are all gone. ↗