In theory, there’s no difference between theory and practice. But in practice, there is. -- Albert Einstein

Since programmers create programs out of nothing, imagination is our only limitation. Thus, in the world of programming, the hero is the one who has great vision. Paul Graham is one of our contemporary heroes. He has the ability to embrace the vision, and to express it plainly. His works are my favorites, especially the ones describing language design. He explains secrets of programming, languages, and human nature that can only be learned from the hacker experience. This book shows you his great vision, and tells you the truth about the nature of hacking. -- Yukihiro "Matz" Matsumoto, creator of Ruby

The direct pursuit of happiness is a recipe for an unhappy life. -- Donald Campbell

He causes his sun to rise on the evil and the good, and sends rain on the righteous and the unrighteous. -- Matthew 5:45

Controlling complexity is the essence of computer programming. -- Brian Kernigan

Any code of your own that you haven’t looked at for six or more months might as well have been written by someone else. -- Eagleson’s Law

To be successful you must accept all challenges that come your way. You can’t just accept the ones you like. ~Mike Gafka

Only put off until tomorrow what you are willing to die having left undone. ~Pablo Picasso

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As we look ahead into the next century, leaders will be those who empower others. ~Bill Gates