The 40% solution: The capacity to increase happiness is within our personal control.
语言不仅仅是交流的工具,也是通往灵魂的桥梁。
人类偏离自然最初赋予的状态,似乎已成为疾病的丰富源泉。
化学是我们日常生活的无声建筑师。
The joy of mathematics comes from the struggle to understand.