The study of non-classical logic is not just an academic exercise, but a necessity for understanding complex systems.
非经典逻辑的研究不仅是一种学术练习，更是理解复杂系统的必要条件。
It seems to me that if you or I must choose between two courses of thought or action, we should remember our dying and try so to live that our death brings no pleasure to the world.
成功不是幸福的关键。幸福才是成功的关键。
Who hears music, feels his solitude peopled at once.
When I’m painting, I’m not thinking about anything. I’m just painting.