I never saw a wild thing sorry for itself. A small bird will drop frozen dead from a bough without ever having felt sorry for itself.

Science is a force for good, but only if we use it wisely.

Understanding the limits of computation is as important as expanding its capabilities.

The highest task of education is to develop in the individual a sense of responsibility towards humanity.

自由民主的成功取决于其制度适应变化环境的能力。