1. An occasion lost cannot be redeemed. 时机失了无法挽回。

    2. An oak is not felled at one stroke. 万事不能一蹴而就。

    3. An idle youth, a needy age. 少壮不努力，老大徒伤悲。

    4. A lazy youth, a lousy age. 少壮不努力，老大徒伤悲。

    5. An hour in the morning is worth two in the evening. 一日之计在于晨。

    6. A journey of a thousand miles begains with a single step. 千里之行，始于足下。

    7. All time is no time when it is past. 光阴一去不复返。

    8. Time and tide wait for no man. 时不待人

    9. All the treasures of the earth would not bring back one lost moment. 机会失去不再来，千贯万贯难赎回。

    10. A man can die but once. 人生只有一次死。

    11. All men are mortal. 人孰无死。