最大的痛苦是无知。
The greatest misfortune is not knowing what's enough.
The future of energy lies in diversification and adaptability.
The task of psychology is to map the structure of consciousness.
The two most important days in your life are the day you are born and the day you find out why.
宁可让儿童一个字也不识,也不要使他为了学到这一些学问而把其他有用的东西都牺牲了。