BPT
Low self esteem is not clinical depression but I guess it can lead to it.
Pithy means having substance and point.
Ramateshkolian and shimmel are correct self control leads to self respect and self esteem.
BPT theres a problem with your quote, what happens if Chas Veshalom the person that you are the world to dies. Is your self esteem gone now? Self esteem is internal and cant be dependent on anyone or anything. Its about loving and accepting you for who you are regardless of what you have or havent done.