Einstein :: Optimist, Pessimist or Realist?

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Imagination is more important than knowledge.

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

A person starts to live when he can live outside himself.

Science without religion is lame. Religion without science is blind.

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

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

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