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船舶自動轉(zhuǎn)向的引入是一個具有重大實際意義的問題，其解決需要開發(fā)一種新型控制器。

The world is not run from where he thinks. Not from castle walls, but from countinghouses, not by the call of the bugle but by the click of the abacus, not by the grate and click of the broadsword but by the scrape of the pen.

Rigor in proof is what separates mathematics from all other sciences.

在黑暗中，我們學會尋找光明；在絕望中，我們學會尋找希望。