Who said "Work hard at the things that matter. Let the rest go."?

This quote is attributed to Kate Bishop.

Work hard at the things that matter. Let the rest go. - Kate Bishop

"Work hard at the things that matter. Let the rest go."

Kate Bishop Work

"I'm not Clint Barton, and I'm definitely not you. I'm Kate Bishop."

"Just because I'm young doesn't mean I don't know what I'm doing."

"I've got this. Probably."

"You can't just show up in my life and expect everything to be fine."

"Hard work never killed anybody."

"Work with purpose and integrity."

"Hard work pays off in the end."

"A man's gotta do what a man's gotta do."