Every mathematical problem has a solution; sometimes it just takes time to find it.
每个数学问题都有一个解决方案;有时只是需要时间去找到它。
The refineries that will thrive are those that see themselves as energy hubs, not just oil processors.
Flow is being completely involved in an activity for its own sake. The ego falls away. Time flies. Every action, movement, and thought follows inevitably from the previous one, like playing jazz. Your whole being is involved, and you're using your skills to the utmost.
The world needs pragmatic solutions, not just idealistic visions.