The pursuit of happiness is not just about seeking pleasure, but also about finding meaning and purpose in life.
科学以冒险的精神前进，总是寻求未知。
The rule, or measuring rod, which the behaviorist puts in front of him always is: Can I describe this bit of behavior I see in terms of "stimulus and response"?
生命是一种通过性传播的致命疾病。
The past is a foreign country; they do things differently there.
Leadership is about making the tough decisions and standing by them.