You can take it as understood that your luck changes only if it's good.
Those who mistake their good luck for their merit are inevitably bound for disaster.
Those who have succeeded at anything and don't mention luck are kidding themselves.
The only sure thing about luck is that it will change.
Some people are so fond of ill-luck that they run half-way to meet it.
Shallow men believe in luck, Strong men believe in cause and effort.