Beware of the Turing tar-pit in which everything is possible but nothing of interest is easy.

Don't bother just to be better than your contemporaries or predecessors. Try to be better than yourself.

释义：看到已经发生的事情要谨慎对待将要发生的事情，厌恶某种行为轨迹的人必须避开它。害怕危险的人才能平安，害怕灭亡的人才能生存。这是对谨慎行事、防患未然的智慧的强调。