The world is a cruel place, but it is also beautiful.

"The success of machine learning depends on the ability to balance the trade-off between bias and variance in the models we build."

忘记某事的最好方法是用更好的东西取代它。

To be the best, you must be able to handle the worst.

人类行为是自然的一部分，可以通过自然科学的方法来研究。