The only thing a man should ever be 100% convinced of is his own ignorance. -- DJ MacLean

Show, don't tell. -- unknown

A guideline in the process of stepwise refinement should be the principle to decompose decisions as much as possible, to untangle aspects which are only seemingly interdependent, and to defer those decisions which concern details of representation as long as possible. -- Niklaus Wirth

If it looks like a duck, walks like a duck, and quacks like a duck, it's a duck. -- Official definition of "duck typing"

Do you want to sell sugared water all your life or do you want to change the world? -- Steve Jobs, to John Sculley (former Pepsi executive)

[Innovation] comes from saying no to 1,000 things to make sure we don’t get on the wrong track or try to do too much. We’re always thinking about new markets we could enter, but it’s only by saying no that you can concentrate on the things that are really important. -- Steve Jobs

I don’t want to get to the end of my life and find that I lived just the length of it. I want to have lived the width of it as well. ~Diane Ackerman

I’ve learned that people will forget what you said, people will forget what you did, but people will never forget how you made them feel. –Maya Angelou

How wonderful it is that nobody need wait a single moment before starting to improve the world. –Anne Frank

Everything has beauty, but not everyone can see. –Confucius