Who said "Spend your time and effort on the core business."?

This quote is attributed to Andy Grove.

Spend your time and effort on the core business. - Andy Grove

"Spend your time and effort on the core business."

Andy Grove Work

Technology Executive Hungarian-American 1936–2016

"You have to be paranoid to survive in the technology business."

"The best way to predict the future is to invent it."

"Success breeds complacency. Complacency breeds failure."

"Only the paranoid survive."

"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."