Who said "Hulk grateful for those who understand him."?

This quote is attributed to Hulk.

Hulk grateful for those who understand him. - Hulk

"Hulk grateful for those who understand him."

Hulk Gratitude

"Hulk is strongest one there is."

"Don't make me angry. You wouldn't like me when I'm angry."

"Puny god."

"Hulk smash!"

"Gratitude makes life richer."

"A grateful heart is a happy heart."

"Respect those who came before us."

"Life's greatest treasures are the people we love"