正大光明教子弟，忧勤惕厉检身心。
译文：教导晚辈从小就要有光明磊落的气度和形象，平日还要让晚辈反躬自省，不能没有忧患意识和自我砥砺的修养。赏析：教导子孙后代做人要光明磊落，胸怀宽广，平日要反思自己的言行是否得当。
历史不仅仅是发生了什么，而是可能发生了什么。
The only thing I can do is write. Everything else bores me.
In electronics, the smallest component often makes the biggest difference. Never underestimate the power of precision.
The only limit to our realization of tomorrow will be our doubts of today.
The pursuit of knowledge is a never-ending journey, and each discovery opens the door to new questions.