Profit is important, but purpose is what sustains a business long-term.

我不完美，但我追求完美。

The intelligence of drones will change our way of life.

电子系统中的拓扑保护概念是一个深刻的见解，它连接了抽象数学和实用物理学。

文章的奇特之处，如同风云变幻，无法用常理揣度。

The preservation of the means of knowledge among the lowest ranks is of more importance to the public than all the property of all the rich men in the country.