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。
物理学的目的不是掌控自然,而是理解自然。
Writing is a way to confront the darkness, to face the fears, to explore the unknown.
Never stop learning, because life never stops teaching.