未来不是固定的；它是我们可以用知识和行动塑造的东西。
The future is not fixed; it is something we can shape with our knowledge and actions.
We need to make sure that technology serves humanity, not the other way around.
穷人的真正悲剧在于他们除了等待富人给予他们一些东西外，什么也做不了。