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数学的历史是人类心灵独创性和创造力的证明。
The history of mathematics is a testament to the ingenuity and creativity of the human mind.
美好的生活是由爱所激发,由知识所指导的。
The only real prison is fear, and the only real freedom is freedom from fear.
The human race has one really effective weapon, and that is laughter.
The more you know, the less you feel.
Truth may be suppressed, but never destroyed.