Tsung-Dao Lee
Regardless of whether users wield the standard grip, or one of many alternative grips, their goals are the same. They hold the two sticks in the dominant hand, secured by various fingers and parts of the hand, such that the sticks become an extension of the hand. Tsung-Dao Lee, a Nobel Prize Laureate in Physics, summarized it thus: "Although simple, the two sticks perfectly use the physics of leverage. Chopsticks are an extension of human fingers. Whatever fingers can do, chopsticks can do, too."