To judge a man by his weakest link or deed is like judging the power of the ocean by one wave.
— Elvis Presley

The weakest link in a chain is the strongest because it can break it.
Stanislaw Lec links quote

It is a mistake to look too far ahead. Only one link in the chain of destiny can be handled at a time.
— Winston Churchill

One of the first conditions of happiness is that the link between Man and Nature shall not be broken.
— Leo Tolstoy

What comes from oneself, is nearly from no one. There is only me as a link.
— links quotation by Eduardo Chillida