The beauty of computational complexity lies in its ability to classify problems based on their inherent difficulty.

The best investments are often the ones that are the most unpopular.

"The world is a book, and those who do not travel read only one page."

谁统治东欧，谁就掌控了心脏地带；谁统治心脏地带，谁就掌控了世界岛；谁统治世界岛，谁就掌控了世界。

创造财富的根本在于生产力的不断提高。