安全不仅仅是一项政策；它是我们必须每天践行的文化。

All the choir of heaven and furniture of earth - in a word， all those bodies which compose the frame of the world - have not any subsistence without a mind.

The real tragedy of the poor is that they can afford nothing but self-denial.

The best way to predict the future is to create it.

宇宙用方程式和反应说话。