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Knowledge is the source of power.

One man's constant is another man's variable.

No matter how complex or refined, all behavior is to be explained in terms of stimulus and response.

幽默是與孩子建立聯系的最佳方式。

我不追隨道路。我創造道路。

The study of cognition requires both empirical and theoretical approaches.

共產主義的理論可以用一句話概括：廢除一切私有制。