"You should always keep an open mind, but not so open that your brains fall out." Thats my personal mantra or words to live by. What is yours?
Better to remain silent and be thought a fool than to open your mouth and remove all doubt.
We have two ears and one mouth. Use them accordingly.
You are a long time dead.
Stride with a proud disdain through the swamp of human inadmissibility.
"It is not within our power to command success of the Gods, only to deserve it." - Roald Amundsen, after getting to the South Pole and back.
I do what I want.
and
Live with an attitude of gratitude.
I don’t have a particular martra, but one phrase that stuck in my mind is: “If you are going to say something, make sure it is worth more that the silence you are going to break.”