共产主义的理论可以用一句话概括：废除一切私有制。
The theory of Communism may be summed up in one sentence: Abolish all private property.
I think the best thing you can do is to be kind to yourself and to others.
Understanding the fundamental limits of quantum computation is crucial for its future development.
We have a responsibility, every one of us. We may think we live a long way from the oceans, but we don't. What we actually do here, has a direct effect on the oceans—and what the oceans do then reflects back on us.