To do mathematics is to explore a universe of ideas, where the only limit is your imagination.
"Imagination is the most powerful tool we have to create a better world."
The liabilities are always percent good.It's the assets you have to worry about.
动物健康与人类健康之间的联系是不可否认的,必须成为我们工作的优先事项。
"Russia's destiny is written in the faces of its peasants."