It is of practical value to learn to love yourself.请问这句中为什么用

Learn to love yourself什么意思 ' To teach another is to learn yourself 此句为什么从句?they realise that it is of great value to record and It is important for us to learn English well. 为什么用to learn是用 Learn to change yourself It is hard of us to learn/of us to learning/for us to to lea To love yourself I find it difficult to learn English这句中为什么不是it is difficult 帮忙翻译这句话what type of value-added it is generating to the comp I think your advice is of great to me and it's .A.value,well Can't love you but also learn not to love yourself什么意思 Let Me Love You (Until You Learn To Love Yourself) 歌词