No matter how complex or refined, all behavior is to be explained in terms of stimulus and response.
技術(shù)應(yīng)該讓生活更美好，而不僅僅是為了賺錢。
窮人面臨的約束往往是政策制定者看不到的。
Conflict is the gadfly of thought. It stirs us to observation and memory. It instigates to invention. It shocks us out of sheeplike passivity, and sets us at noting and contriving.
Every element has a story, and every reaction tells a tale.