Who said "You're only as strong as your weakest link."?

This quote is attributed to Frylock.

You're only as strong as your weakest link. - Frylock

"You're only as strong as your weakest link."

Frylock

"I'm the leader of this group, and I make the decisions around here."

"You gotta have a plan, man. Life don't work without a plan."

"We're a family, whether you like it or not."

"Knowledge is power, but common sense is more valuable."