You must not lean on a tree on Sabbath, if the tree might be dependent on you for support.
Ovadia YosefImagination is the golden-eyed monster that never sleeps. It must be fed; it cannot be ignored.
Patricia A. McKillipEverybody was saying we must have more leisure. Now they are complaining they are unemployed.
Prince PhilipI feel there must be an enormous amount of really talented songwriters out there who can't sing.
Roger DaltreyTo encounter 'Beowulf' is like taking a sledgehammer to a quarry face. You must bang in there.
Seamus Heaney