3.) Learn something new every single day, even if it's of absolutely no practical use.

Role Model: Albert Einstein

"The important thing is not to stop questioning. Curiosity has its own reason for existing. One cannot help but be in awe when he contemplates the mysteries of eternity, of life, of the marvelous structure of reality. It is enough if one tries merely to comprehend a little of this mystery every day. Never lose a holy curiosity."

- Albert Einstein, quoted in Personal Memoir of William Miller
Quoted in Life magazine, May 2, 1955.

"I have no special talents. I am only passionately curious. "
- Albert Einstein in a letter to Carl Seelig, March 11, 1952.

2.) The second principal of the geek creed is equally simple.  Be curious.

Don't ever be embarrassed to be curious.  The people who ask the most questions are usually the ones who end up having answers when it actually matters.