By failing to prepare, you are preparing to fail.
It's always too early to quit.
The wise does at once what the fool does at last.
Wherever you are - be all there.
If you're going through hell, keep going.
Be kind whenever possible. It is always possible.
Never complain and never explain.
If you think you can do it, you can.
Expect problems and eat them for breakfast.
If you can dream it, you can do it.
Soon I knew the craft of experimental physics was beyond me - it was the sublime quality of patience - patience in accumulating data, patience with recalcitrant equipment - which I sadly lacked.