I am always ready to learn although I do not always like being taught. 

My religion consists of a humble admiration of the illimitable superior spirit who reveals himself in the slight details we are able to perceive with our frail and feeble mind.

Tact is the ability to describe others as they see themselves.

Arise! Awake! and stop not until the goal is reached.

Weakness of attitude becomes weakness of character.

The important thing is that men should have a purpose in life. It should be something useful, something good.

I am enough of an artist to draw freely on my imagination.

Never leave that till tomorrow which you can do today. 

If you want to achieve excellence, you can get there today. As of this second, quit doing less-than-excellent work. 

I have just got a new theory of eternity.

My favorite things in life don't cost any money. It's really clear that the most precious resource we all have is time.

The future of 3D will be defined by TV.