勇气是所有美德中最重要的,因为没有勇气,你就无法始终如一地实践其他美德。
有人居住的世界的边界是由人类知识的极限决定的。
"Memory is a strange thing. It doesn't work as I thought it did. We are so foolishly constructed that we go through life arm in arm with our earliest memories, thinking they are the most recent."
零知识证明是一种证明你知道某事而不透露它是什么的方法。