Who said "Gratitude is a sign of weakness in the business world."?

This quote is attributed to Justin Hammer.

Gratitude is a sign of weakness in the business world. - Justin Hammer

"Gratitude is a sign of weakness in the business world."

Justin Hammer Gratitude

"I'm gonna make you look like a little child playing with a toy boat in a bathtub."

"You know what, I think you're a guy that appreciates the finer things in life."

"I could bench press a Buick. Actually, several Buicks."

"Next time, baby. Next time."

"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"