But rehearsing your speech should never be about memorizing words or movements.

FORBES: Should I rehearse, and for how long? -Presentation Training

We physicians spend thousands of hours memorizing Latin words, learning to recognize signs and symptoms of illness.

FORBES: Do Starbucks Employees Have More Emotional Intelligence than Your Physician?

Lu and a previous pi-memorizing record holder, Hideaki Tomoyori, who recited 40, 000 digits of pi, have said they linked words or images to groups of two, three or four numbers.

CNN: On Pi Day, finding strength in numbers