真正的智慧并非在于避免所有的错误，而是在于从错误中快速学习和成长。

我不需要理由去快乐，我选择快乐。

The opening up of new markets, foreign or domestic, and the organizational development from the craft shop and factory to such concerns as U.S. Steel illustrate the same process of industrial mutation—if I may use that biological term—that incessantly revolutionizes the economic structure from within, incessantly destroying the old one, incessantly creating a new one.

We cannot choose our fate, but we can choose how to face it.

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