一个人的行为不是由他的种族归属决定的,而是由他的祖先特征和文化环境决定的。
The balance between energy needs and environmental protection is the challenge of our time.
The development of the vital forms under the influence of external conditions is a subject of the highest importance.
"La belleza no es una cualidad de las cosas en sí mismas: existe en la mente que las contempla."