The greatest enemy of knowledge is not ignorance, it is the illusion of knowledge.
All the choir of heaven and furniture of earth - in a word， all those bodies which compose the frame of the world - have not any subsistence without a mind.
I know you've heard it a thousand times before. But it's true-hardwork pays off. If you want to be good, you have to practice, practice, practice.
It is remarkable that a science which began with the consideration of games of chance should have become the most important object of human knowledge.