The most important resource in any economy is its people.

我想，上帝在创造人类时高估了他的能力。

摆脱诱惑的唯一方法就是屈服于它。

When we quarry with future generations in mind, stone becomes a bridge, not just a resource.

It is easier to change the specification to fit the program than vice versa.

The worst thing that can happen to a human being is to lose hope.

要信守承诺。