石油的真正价值在于它改变经济和社会的能力。
La literatura no es un espejo de la realidad, sino una ventana a lo posible.
眼睛是什么也看不见的,应该用心去寻找。
我几乎一无所知。但对很多事情都心存疑虑。
The self is not so much a substance as a process, and it is the continual task of education to change the process, to develop its activities, and to guide it into channels of efficiency.