在商业中，如果你不前进，你就在落后。
In business, if you're not moving forward, you're falling behind.
当我们恋爱时，我们最有活力。
The greatest enemy of knowledge is not ignorance, it is the illusion of knowledge.
俄罗斯的面貌反映在它的人民的眼中。
"The world is a book, and those who do not travel read only one page."
The progress of mathematics is measured by the number of problems it can solve.