Human behaviour flows from three main sources: desire, emotion, and knowledge.
每日一趣
The original snow globe was invented in Vienna when Erwin Perzy tried to make his own lightbulb in 1900 with the Mariazell Basilica as its subject. 當Perzy於1900年試圖以利亞採爾大教堂為主題造自己的燈泡，我們聖誕常見到的雪球就在維也納被意外地發明的。
