The future is not a result of choices among alternative paths offered by the present, but a place that is created—created first in the mind and will, created next in activity.

Problem solving is the central activity of intelligent systems.

学会怎么打称人结（又叫“撑人结”，不会越拉越小的结）。而且要摸黑练习、单手练习。在今后的日子里，你根本想不到它有多有用。

船舶自动转向的引入是一个稳定性问题，而非准确性问题。

最深刻的艺术往往产生于传统与创新之间的张力。