疲惫不是身体的罢工，而是心理能量的收支失衡。
The future of energy is not about choosing between coal and renewables, but about finding the right balance.
Do you not see how necessary a world of pains and troubles is to school an intelligence and make it a soul?
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"?
