Well done is better than well said.
Never complain and never explain.
Be gentle to all and stern with yourself.
If you think you can do it, you can.
The dog that trots about finds a bone.
Without hard work, nothing grows but weeds.
Expect problems and eat them for breakfast.
The most effective way to do it, is to do it.
If you're going through hell, keep going.
To know oneself, one should assert oneself.
Sometimes they are a matter of luck the photographer could not expect or hope for them. Sometimes they are a matter of patience, waiting for an effect to be repeated that he has seen and lost or for one that he anticipates.