最重要的是永远不要停止提问。
The only limit to our realization of tomorrow will be our doubts of today.
Time has no divisions to mark its passage, there is never a thunderstorm or blare of trumpets to announce the beginning of a new month or year.
We must build dikes of courage to hold back the flood of fear.
The key to sustainable economic development is the continuous improvement of human capital through education and innovation.