Who said "I've learned that humor is sometimes the only way to cope."?

This quote is attributed to Winter Soldier.

I've learned that humor is sometimes the only way to cope. - Winter Soldier

"I've learned that humor is sometimes the only way to cope."

Winter Soldier Humor

"I'm not the Winter Soldier anymore."

"Seventy years. That's a long time to carry ghosts."

"Sometimes the best thing you can do is let go."

"I've done terrible things. I can't erase that."

"Never underestimate the power of a good laugh."

"Laughter is the best medicine."

"A good laugh is the best medicine."

"Laughter is contagious and wonderful."