What are universal Traits, Skills that needs everybody in Life despite differences like Environment?

Hey,

I wonder what gets everybody in life, I am talking universal Principles that virtually everybody,
from rich to poor, 1st world country to 3, christian and atheist etc?

One Skill in my opinion is mental toughness. Because everybody has to dealwith failure/discomfort/comfortzone.
Toughness is essentially withstanding discomfort, and learning to think and clearly despite irritating sensations, internally such as doubt, overthinking, negative thoughts, physical symptoms like hunger and...

What are universal Traits, Skills that needs everybody in Life despite differences like Environment?

from What are universal Traits, Skills that needs everybody in Life despite differences like Environment?