You should take notes in case we forget some detail.
Betsy kept prompting Martha to take notes.
I told him for years to take notes so our other scientists can pick up wherever he left off.
"I was hoping we'd get that caper soon as I read it in the paper," Fred said as he reached for a pad and pencil to take notes.
Otric, suspecting that Gerbert erred in his classification of the sciences, sent one of his own pupils to Reims to take notes of his lectures, and, finding his suspicions correct, accused him of his error before Otto II.