Friedrich Nietzsche: "There are two different types of people in the world"

There are two different types of people in the world, those who want to know, and those who want to believe.

 ~ Friedrich Nietzsche

Rolf Dobelli on the dogma trap

In sum: think independently, don't be too faithful to the party line, and above all give dogmas a wide berth.  The quicker you understand that you don't understand the world, the better you'll understand the world. 

~ Rolf Dobelli, The Art of the Good Life, "The Dogma Trap," p. 149

Steve Jobs on "how to live before you die"

Your time is limited, so don't waste it living someone else's life. Don't be trapped by dogma, which is living with the results of other people's thinking. Don't let the noise of others' opinions drown out your own inner voice. And most important: Have the courage to follow your heart and intuition. They somehow already know what you truly want to become. Everything else is secondary. 

~ Steve Jobs, Commencement speech given at Stanford University, "How to Live Before You Die," June, 2005