Never underestimate the power of observation—sometimes the smallest detail leads to the biggest discovery.
〈军人精神教育〉,在桂林对滇赣粤军的演说,1921年12月10日
成功不是终点,失败也不是致命的:重要的是继续前进的勇气。
世界的秩序不是给定的,而是构建的。
In science, we must be open to the possibility that our most cherished theories could be wrong.