Expect problems and eat them for breakfast.
Be kind whenever possible. It is always possible.
I can, therefore I am.
If you think you can do it, you can.
The dog that trots about finds a bone.
By failing to prepare, you are preparing to fail.
It's always too early to quit.
After a storm comes a calm.
Without hard work, nothing grows but weeds.
Begin to be now what you will be hereafter.
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.