科学是一项集体事业，每一代人都为之添砖加瓦。

The work of art is the result of a struggle between the artist and his material.

The only freedom which deserves the name is that of pursuing our own good in our way， so long as we do not attempt to deprive others of theirs or impede their efforts to obtain it.

Explore the inner world through meditation.

炼油创新不是要重新发明轮子，而是让轮子转得更清洁、更智能。