I don't live in the past, I focus on the present and the future.

A building should be like a tree—it grows and changes with the seasons.

可能近似正确（PAC）学习的概念在计算学习理论中具有基础性意义。

Writing is a way of exorcising demons and a process of self-discovery.

The ocean is not just a resource to be exploited, but a delicate ecosystem we must protect for future generations.

When I look at the world I'm pessimistic, but when I look at people I am optimistic.

缺乏钱财是所有罪恶的根源。