Positivity transforms us for the better. By opening our hearts and minds, positive emotions allow us to discover and build new skills, new ties, new knowledge, and new ways of being.

——《在东京中国留学生欢迎大会的演说》（1905年8月13日）

Success is not about being the biggest, but about being the best at what you do.

Life is too short to not follow your dreams.

逻辑学研究不仅仅是关于规则，更是关于理解思维的结构。