If you think it is meaningful for you, you should insist on doing it (或者:never give up), and one day you will get an unexpected harvest.
Insist on sth you think it's meaningful to you,then you will be reserved unexpectedly someday.
英语的语序要是按照汉语的意思翻译出来,那就显得繁琐了,使用从句可以简化句子。
If you think something is significative to you, insist on it, and one day you will get unexpected results.
If you thing it is significant for you, keep on, you will gain a lot unexpectedly one day.
If you think it is meaningful to you, insist on doing it and some day you will get unexpected harveat.