“ Confidence is ignorance. If you're feeling cocky, it's because there's something you don't know. ”
Source: Artemis Fowl
Similar Quotes
All you need in this life is ignorance and confidence; then success is sure. 
I can calculate the motion of heavenly bodies but not the madness of people. 
If you can't explain it to a six year old, you don't understand it yourself. 
For one moment if you forget that you are mortal, ignorance will sprout, if you forget for a long time, it will bear fruit. 
Wise men speak because they have something to say; fools because they have to say something. 