Always have a backup plan.
And the first flight of the tether satellite happened in '92, and I was the backup on that flight.
I like to go full bore into something. If you have a backup plan, then you've already admitted defeat.
In aviation they have auto pilot and color radar and a lot of other instrumentation that is a backup for pilots. It's really brought the incidents of plane crashes way down. Same thing ought to happen in the medical industry, I think.
I created lots of characters in high school and college, and the first character I created in pro comics was Liana, Green Lantern of M'Elu, for a backup story in 'Green Lantern #162,' my first professional sale.
Cave divers, of course, deal with an elevated level of risk, and the most that I can say here is that we tend to conduct our work at the bottom of a deep cave on an extremely conservative basis with heavy levels of backup equipment and a policy to abort if any single person doesn't like the situation underwater at any time during the mission.
Cloud services cut both ways in terms of security: you get off-site backup and disaster recovery, but you entrust your secrets to somebody else's hands. Doing the latter increases your exposure to government surveillance and the potential for deliberate or inadvertent breaches of your confidential files.
Living with a single kidney is almost exactly like living with two; the remaining kidney expands to take up the slack. (When kidneys fail, they generally fail together; barring trauma or cancer, there's not much advantage to a backup.) The main risk to the donor is the risk of any surgery.
I will never give up my dream of being a prima ballerina and backup dancer for Justin Timberlake!
As a kid, Terry Bradshaw didn't amaze me. My hero was Steelers backup Terry Hanratty, who nabbed two Super Bowl rings while completing three passes.