No matter how complex or refined, all behavior is to be explained in terms of stimulus and response.
我们必须记住过去,才能更好地面对未来。
繁荣建立在五个支柱上:积极情绪、投入、人际关系、意义和成就。
The only way to get rid of a temptation is to yield to it.
眼睛不能同时看清楚两样东西,耳朵不能同时听清楚两种声音。