“有时沉下身心,是为了飞得更高”英文翻译?

这句话意译比较好：Sometimes,to buckle down and focus is to achieve higher level.
如果直译可以改成：To buckle down one's mind at certain time is to fly higher.你是有在哪看到过这句话吗？没有啊~不过我觉得意译会比较好一点。有木有分呐？