停止外在的攀缘，内心不再起伏波动，心像墙壁一样静止不动，这样才能进入佛道。

A good learning algorithm should be able to handle noise and uncertainty in the data effectively.

永远不要低估小而持续的行动推动大规模变革的力量。

If you want to fly, you have to give up what weighs you down.