convictions — a fixed or firm belief: No clever argument, no persuasive fact or theory could make a dent in his conviction in the rightness of his position.
holds — to have or keep in the hand; keep fast; grasp: She held the purse in her right hand. He held the child's hand in his.
dooms — very; extremely: used as a euphemism for damned.
sentences — Grammar. a grammatical unit of one or more words that expresses an independent statement, question, request, command, exclamation, etc., and that typically has a subject as well as a predicate, as in John is here. or Is John here? In print or writing, a sentence typically begins with a capital letter and ends with appropriate punctuation; in speech it displays recognizable, communicative intonation patterns and is often marked by preceding and following pauses.