真相很少是纯粹的，也从不简单。

She walks in beauty like the night,Of cloudless climes and starry skies;All that's best of dark and bright，Meet in her aspect and her eyes.

激发生命，让生命自由发展，这是教育者的首要任务。

制革厂的废物流比任何使命宣言都更清晰地讲述其道德故事。