In my solitude of heart I feel the sigh of this widowed evening veiled with mist and rain.

数学的美只对那些更有耐心的追随者展现。

驴子想的是一样，赶驴的人想的却是另一样。

I'm not going to let anyone take away my happiness.

Sustainability is not an option, it's a responsibility.

真相很少是纯粹的，也从不简单。