is short but the work is much.
　　
　　工作多，光阴迫。
　　
　　17、Never deter till tomorrow that which you can do today.
　　
　　今日事须今日毕，切勿拖延到明天。
　　
　　18、Have you somewhat to do tomorrow,do it today.
　　
　　明天如有事，今天就去做。
　　
　　19、To him that does everything in its proper time,one day is worth three.
　　
　　事事及时做，一日胜三日。
　　
　　20、To save time is to lengthen life.
　　
　　节省时间就是延长生命。
　　
　　21、Everything has its time and that time must be watched.
　　
　　万物皆有时，时来不可失。
　　
　　22、Take time when time cometh,lest time steal away.
　　
　　时来必须要趁时，不然时去无声息。
　　
　　23、When an opportunity is neglected,it never comes back to you.
　　
　　机不可失，时不再来；机会一过，永不再来。
　　
　　24、Make hay while the sun shines.
　　
　　晒草要趁太阳好。
　　
　　25、Strike while the iron is hot.
　　
　　趁热打铁。
　　
　　26、Work today,for you know not how much you may be hindered tomrrow.
　　
　　今朝有事今朝做，明朝可能阻碍多。
　　
　　27、Punctuality is the soul of business.