Freedom is not given, it is taken.
自由不是给予的，而是夺取的。
The sun is our most powerful tool in Africa. We must learn to work with it, not against it.
成功往往青睐那些持续学习和适应变化的人。
The only way to do great work is to love what you do.
The best way to get a project done faster is to start sooner.
历史学家是反向的先知。
真相很少纯粹，也绝不简单。