在所有情況下永遠保持冷靜且不受影響，可以帶給一個人莫大的優勢。 "Nothing gives one person so much advantage over another as to remain always cool and unruffled under all circumstances.”

在所有情況下永遠保持冷靜且不受影響，可以帶給一個人莫大的優勢。

─ 湯瑪斯·傑佛遜 ( Thomas Jefferson )，美國開國元勛、美國前總統 

"Nothing gives one person so much advantage over another as to remain always cool and unruffled under all circumstances.”