The complexity of a learning problem is often determined by the size and structure of the hypothesis space.

幸福是最近两年里听到最多的词语。幸福不单只是和个人经历和价值相关，它也同样关系到我们的环境。

The world is dark, and light is precious.

"The stories we tell ourselves are the ones that shape us."

Efficiency in farming should never come at the cost of biodiversity.