quotation about the being a logical mind

* require proper citation(http://en.wikipedia.org/wiki/Citation)

Logic is the foundation of the certainty of all the knowledge we acquire. - Leonhard Euler

- Thank you for smoking 2005
See Joy, that's beauty of argument. If you argue correctly, you never wrong.

- Numb3rs Season 1 Episode 1 : Pilot
Don : It's different. It's not about numbers.
Charlie : Everything is numbers.

Don : Forty agents working two days straight. You tell me that what you did mistake.
Charlie : Not my mistake. It is data you provided.

Don : She was hiding something. Maybe, this is it.
Charlie : Numbers don't lie.

- Numb3rs Season 1 Episode 8 : Identity crisis
Terry : How is this math?
Charlie : It's not math, it's logic, really.
Mathematicians are trained in logic.