The essence of mathematics is not to make simple things complicated, but to make complicated things simple.
Persistence is just as important as intelligence in research.
读书人应当以天下大事为自己的责任，不能仅仅做一个只会钻研书本的学者。
The Soviet man was a man who was always waiting—for rations, for orders, for the end.
Success is not just about what you achieve, but how you achieve it.