Every material has its own memory and history.
每种材料都有自己的记忆和历史。
估计问题的性质不同。在这里，我们不关心检验特定的假设，而是关心估计参数的值。
"A painting should be a window to another reality."
艺术家消失得越多，他的作品就出现得越多。
Books say: She did this because. Life says: She did this. Books are where things are explained to you; life is where things aren’t.
The true measure of success is leaving a positive legacy for future generations.
I have never made but one prayer to God， a very short one: 'O Lord， make my enemies ridiculous.' And God granted it.