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心理学家必须避免一切形而上的假设。
促成人类建立爱心的动力是本能,也是生命创造力的原动力。
If you are born poor it's not your mistake, but if you die poor it's your mistake.
We don't inherit the earth from our ancestors; we borrow it from our children. This truth guides every decision we make.
经济体制的核心是自由市场,它能够实现最大程度的效率和资源分配。