如果你放弃所有让你想活到一百岁的东西，你就可以活到一百岁。

The deterioration of every government begins with the decay of the principles on which it was founded.

学习永远不会使心智枯竭。

Technology should serve the land, not dominate it.

你永远无法真正理解一个人，除非你从他的角度考虑问题。