逻辑学研究不仅仅是关于形式系统,更是关于理解人类推理的本质。
让人们快乐的最好方法就是让他们笑。
In the future, people will no longer be alienated by their labor, but by their leisure.
The best and most beautiful things in the world cannot be seen or even touched - they must be felt with the heart.