Happiness is a gift and the trick is not to expect it, but to delight in it when it comes.

Change is certain. Peace is followed by disturbances; departure of evil men by their return.

同一元素的原子在质量和性质上是相同的。

晶体管可能是20世纪最重要的发明，而它的诞生故事是科学史上最有趣的故事之一。

Truth and clarity are complementary.

悲伤是一座房子，那里的椅子已忘了如何支撑我们，镜子忘了如何映照我们，墙壁忘了如何包容我们。

The nation that destroys its soil destroys itself.

法律体系的存在取决于社会对其规则的普遍接受。