Dr. Manhattan soothes his girlfriend Silk Spectre -

"Come...dry your eyes,
for you are life,
rarer than a quark
and unpredictable beyond the dreams of Heisenberg

...dry your eyes..."

Werner Heisenberg. Physics and Beyond : Encounters and Conversation (1971).

Quantum theory provides us with a striking illustration of the fact that we can fully understand a connection though we can only speak of it in images and parables.