No matter how unfortunate life is, smart people will always get a little benefit from it; No matter how happy life is, stupid people will always feel infinite sadness. ? Laroche Foucault

Idioms learned:

Keep fighting despite repeated setbacks.

I am here

It means never flinching no matter how many setbacks you encounter. Metaphor is strong-willed and resolute in character. Also known as "perseverance"