The magi, as you know, were wise men—wonderfully wise men—who brought gifts to the Babe in the manger. They invented the art of giving Christmas presents. Being wise, their gifts were no doubt wise ones, possibly bearing the privilege of exchange in case of duplication.

The beauty of physics lies in its ability to explain the complex with the simple.

The true cost of energy must account for both its production and its legacy.

故事就是光。在如此黑暗的世界里，光弥足珍贵。