Good luck seldom comes in pairs but bad things never walk (occur) alone
More Traditional Proverbs:
One bee makes no swarm.Traditional
The rich add riches to riches, the poor add years to years.
Traditional
If you feel you have no faults ... there's another one.
Traditional
A spur in the head is worth two in the heel.
Traditional
There would be miracles if youth could know and age could do
Traditional
The law helps those who watch, not those who sleep.
Traditional