The term “the pen is mightier than the sword” means if you use your mind, you won’t have to use your muscle. In Other words, if you use your mind there will be less stress in your life…..See Details.
@TatWza

Well A student at Delft University in The Netherlands will receive his PhD this week for a pen that uses motion sensors instead of more conventional means of stress detection. When the pen detects stressful movements, internal electromagnets provide corresponding counter-motion feedback to stop your nervous tics. During experiments, the pen did diminish test subjects’ heart rates around five percent, but according to feedback none of them actually “felt” less stressed. Can anyone say Scam????