12、Finished labours are pleasant.

　　完成工作是一乐。

　　13、Have you somewhat to do tomorrow,do it today.

　　明天如有事，今天就去做。

　　14、The sum of behaviour is to retain a man's own dignity, without intruding upon the liberty of others.

　　人的行为准则是，维护自己的尊严，不妨碍他人的自由。

　　15、We should spare no effort to beautify our environment.

　　我们应该不遗余力地美化我们的环境。

　　16、It is lost labour to sow where there is no soil.

　　没有土壤，播种也是徒劳。

　　17、We cannot emphasize the importance of protecting our eyes too much.

　　我们再怎么强调保护眼睛的重要性也不为过。

　　18、Quality matters more than quantity.

　　质量比数量重要。

　　19、It is universally acknowledged that trees are indispensable to us.

　　全世界都知道树木对我们是不可或缺的。

　　20、They who cannot do as they would,must do as they can.

　　不能如愿而行，也须尽力而为。

　　21、One today is worth two tomorrows.

　　一个今天胜似两个明天。

　　22、We should do our utmost to achieve our goal in life.

　　我们应尽全力去达成我们的人生目标。

　　23、If you would have a thing well done,do it yourself.