a chain is only as strong as its weakest link

a chain is only as strong as its weakest link

If one part of something is weak, it jeopardizes the integrity, quality, or effectiveness of the whole. I need to make sure that everyone on our debate team is well-prepared, since a chain is only as strong as its weakest link.
See also: chain, link, strong, weak
References in periodicals archive ?
IF A CHAIN is only as strong as its weakest link, it begs the question, which is the weakest link of our supply chain?
However, just as a chain is only as strong as its weakest link, a multi-joint movement can create a problem in cases of muscular fatigue.
A stock is only as strong as its weakest discipline, just as a chain is only as strong as its weakest link.