Happiness is not a right; it is a rare and precious exception.

"文学的力量在于它能够触动人心，改变思想。"

"I believe children's books should be beautiful objects, treasured and revisited."

The ultimate goal of machine learning is to make computers learn from experience and improve their performance on tasks over time.

The secret of change is to focus all of your energy not on fighting the old, but on building the new.