No matter how complex or refined, all behavior is to be explained in terms of stimulus and response.
The studio is my sanctuary.
The well bred contradict other people.The wise contradict themselves.
Happiness is secured through virtue； it is a good attained by man's own will.
能源的未来不是要在化石燃料和可再生能源之间做出选择，而是找到确保可持续性和经济增长的正确平衡。
"To understand a society, look at its trash."
Your group can achieve great things way beyond your means simply by showing people that they are appreciated.
The ocean's potential is limitless, but our wisdom in harnessing it is not.