I'm obsessed with reinvention, I'm obsessed with being a warrior for love.
Hope is not a feeling; it is a doable thing.
2014年:贝索斯致股东信《投资那些具有无限上升空间的创意》
人一生有两个最重要的日子,一是出生的那天,二是发现你为何而生的那天。
The PAC learning framework provides a formal way to quantify the learnability of a concept class.