Enthusiasm is common,Endurance is rare - Angela Duckworth

Have a fierce resolve in everything you do." "Demonstrate determination, resiliency, and tenacity." "Do not let temporary setbacks become permanent excuses." And, finally, "Use mistakes and problems as opportunities to get better — not reasons to quit.

"The separation of talent and skill," Will Smith points out, "is one of the greatest misunderstood concepts for people who are trying to excel, who have dreams, who want to do things. Talent you have naturally. Skill is only developed by hours and hours and hours of beating on your craft."

It isn't suffering that leads to hopelessness. It's suffering you think you can't control.