帮我想一句英文的学习上的座右铭呗

An idle youth, a needy age.少壮不努力,老大徒伤悲
All time is no time when it is past.光阴一去不复返
Nothing is difficult to the man who will try.世上无难事,只要有人试
Where there is a will, there is a way.有志者事尽成