一心不可二用。

　　5、Nothing is difficult to the man who will try.

　　世上无难事，只要肯登攀。

　　6、Wealth is nothing without health.

　　失去健康，钱再多也没用。

　　7、Don't put off till tomorrow what should be done today.

　　今日事，今日毕。

　　8、Two heads are better than one.

　　三个臭皮匠，赛过诸葛亮。