Everything that happens once can never happen again. But everything that happens twice will surely happen a third time. Paulo Coelho
Do not anticipate trouble, or worry about what may never happen. Keep in the sunlight. Benjamin Franklin
Most things I worry about never happen anyway. Tom Petty
Let us be of good cheer, remembering that the misfortunes hardest to bear are those which never happen. James Russell Lowell
Something impossible, something it will never happen. Romanian Proverb
Marriage must occur early or it will never happen. Sicilian Proverb