自由始终是并且仅仅是持不同思想者的自由。
当一个问题有多种解决方案时，请选择最简单的一种。
Success comes from hard work and perseverance.
You have to be willing to take risks, and if you fail, you have to be willing to get up and try again.
It is sadder to find the past again and find it inadequate to the present than it is to have it elude you and remain forever a harmonious conception of memory.