[help!写一篇英语考后感的文章

i did a really horrible job in my last examnation,i'm so sad recently.
so i had a heart-to-heart talk with my dady,and he told me "life is not always a bed of roses.(生活并不总是一帆风顺的.）"
i'm so young a children that how can i understand such a difficult sentence!then,dady said "failure is the mother of success!(失败是成功之母.)"
after that talking,i make up my mind that i will do my best to get a nice score in the next examnation.all because Failure is the mother of success!