孔子说：“对品德不进行培养，对学问不进行钻研，听到好人好事不能跟着做，有了错误不能及时改正，这就是我所担忧的。”

Life is measured by thought and action，not by time.

"One of the most important challenges in machine learning is to develop algorithms that can learn from small amounts of data."

1997年：贝索斯致股东信《吸引符合你价值观的股东》

办一件事都不能善始善终，就不要做很多事。