The highest manifestation of life consists in this: that a being governs its own actions.A thing which is always subject to the direction of another is somewhat of a dead thing.

In mathematics, the art of proposing a question must be held of higher value than solving it.

我不喜欢赌博，但如果有一件事我愿意赌，那就是我自己。

Nothing is lost, nothing is created, everything is transformed.

To live is to be marked. To live is to change, to acquire the words of a story, and that is the only celebration we mortals really know.

The only way to learn a new programming language is by writing programs in it.

The security dilemma is a fundamental feature of international politics, as states' efforts to increase their own security often decrease the security of others.