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The strength of a response tendency depends on the amount of reinforcement received.
未来出行的关键不是销售更多的汽车,而是提供更好的出行解决方案。
语言不仅仅是一种工具;它是流离失所者的家园。
You get what you give. What you put into things is what you get out of them.
The main task in life is simply this: to identify and separate matters so that I can say clearly to myself which are externals not under my control, and which have to do with the choices I actually control.