To do mathematics is to explore an infinite landscape of ideas.

There is no despair so absolute as that which comes with the first moments of our first great sorrow, when we have not yet known what it is to have suffered and be healed, to have despaired and have recovered.

The first rule of quality is that it must be defined.

图灵相信机器会思维，图灵跟男人睡觉，所以机器不会思维。

释义：上顺应于天，下取悦于民。使民众喜悦，人民便忘记了劳苦；用喜悦战胜困难，民众就会忘掉死亡的威胁，喜悦的作用太大了，它能勉励民众！

胆大是行动的开端，但命运决定了它的结局。