What is your personal motto?
I really like the Beatles’ “All you need is love”
but another very close one is “But there’s no sense crying over every mistake, you just keep on trying till you run out of cake.”
I like the one in my signature.
Kinda.
they say that when you die, your entire life flashes before your eyes - make it worth watching. 
“Ces’t la vie” , “Won’t be fooled again” and “good riddance” comes to mind. 
<— Unicycling to feel gay? 
“When things are tough, turn up the music and crack open another beer.”
1st line of my sig is what my favourite motto is. 
“Anything worth doing is worth over-doing. And doing again.” Robert A. Heinlein
I’ve got a couple.
“Better to die on your feet than live on your knees”
and this is more of a guideline for me,
Don’t throw the first strike.
Wait for the first one to land on or near you then open up at 110% and uttlerly destroy your attacker.
and
In life, there are two kinds of people, ones who stand up and run madly at the enemy, and those who take cover. Cover is better.
… and one more.
In all instances, in all places, at all times, the bullets in the air have the right of way.
What if it’s headed for the president and you’re his secret service bodyguard?
too much is not enough!
Two mottos from the right coast of Canada.
" Remember what the dormouse said: feed your head."
Every other day, the motto is:
“If you’re going to be a bear, be a grizzly.”
Wobble on.
William
“If you can’t have fun while you’re making a living, what’s the reason for the living your making?” - Joey Lorer
and
Just giver!
or
“HYAH!!!HYAH!!!HHHHHYAH!!!” - Jason Lepage
Live slow sail fast and ride hard 
pretty much sums up how I live my life.
In the land of the pigs the butcher is king.
Eagles may soar, but weasels don’t get sucked into jet engines.
Go on and do it, do it, do it 'till you’re satisfied.
Cool.
That’s my motto.
Sometimes, it’s
Dude, cool.
or
Cool, dude.
There’s more stupidity than hydrogen in the universe and it has a longer shelf life.
~Frank Zappa