During his spare time, he likes to discuss economic conditions in the wake of the U.S. switch of relations from Taipei to Peiping.
在長久與美商打交道的經驗裡，凌鼎鈞認為與美國人談生意得用強硬的態度，若表現得軟弱忍讓，生意反而很難談成功。談生意時，凌鼎鈞堅持一項原則﹘ ﹘絕不議價。他的產品的價格事先訂好了，不再更改。