If 'While writers whose business it is to be witty often fail to produce, grave authors occasionally are mirthful when laughter is farthest from their minds.' is true, does it logically mean that 'Writers who's business it is to be smart always produce.' also is?
While writers whose business it is to be witty often fail to produce, grave authors occasionally are mirthful when laughter is farthest from their minds.###Writers who's business it is to be smart always produce.