Albert Einstein

• "Any intelligent fool can make things bigger, more complex, and more violent. It takes a touch of genius -- and a lot of courage -- to move in the opposite direction."

• "Imagination is more important than knowledge."

• "I want to know God's thoughts; the rest are details."

• "Reality is merely an illusion, albeit a very persistent one."

• "I am convinced that He (God) does not play dice."

• "The eternal mystery of the world is its comprehensibility."

• "Anyone who has never made a mistake has never tried anything new."

• "Great spirits have often encountered violent opposition from weak minds."

• "Everything should be made as simple as possible, but not simpler."

• "Common sense is the collection of prejudices acquired by age eighteen."

• "The only thing that interferes with my learning is my education."

• "God does not care about our mathematical difficulties. He integrates empirically."

• "The whole of science is nothing more than a refinement of everyday thinking."

• "Technological progress is like an axe in the hands of a pathological criminal."

• "Peace cannot be kept by force. It can only be achieved by understanding."

• "The most incomprehensible thing about the world is that it is comprehensible."

• "We can't solve problems by using the same kind of thinking we used when we created them."

• "Education is what remains after one has forgotten everything he learned in school."

• "The important thing is not to stop questioning. Curiosity has its own reason for existing."

• "Do not worry about your difficulties in Mathematics. I can assure you mine are still greater."

• "As far as the laws of mathematics refer to reality, they are not certain, as far as they are certain, they do not refer to reality."