The problem of testing statistical hypotheses is an inseparable part of the general problem of estimation.
检验统计假设的问题是估计的一般问题中不可分割的一部分。
"You can't predict, but you can prepare."
世界是一首伟大的诗，我们是其中的诗句。
一本书不仅仅是纸和墨水；它是活着的呼吸。
Success is not about the money, it's about the journey.
Simplicity is a great virtue but it requires hard work to achieve it and education to appreciate it. Simplicity is the ultimate sophistication.