我画的每一条线都是一个道德决定。

宋代思想史展现了儒家伦理、佛教精神与道家自然主义的独特融合。

Hard work and passion are the keys to success in any field, especially in music.

The web is the most powerful tool we have for creating a more equal society.

学习数学的最好方法就是做数学。