To understand a program you must become both the machine and the program.

The best farmers don't just raise animals; they cultivate ecosystems.

"The pursuit of knowledge is the most noble of endeavors, for it is through understanding that we unlock the mysteries of the universe."

The greatest discoveries are often the result of many small steps.

有自知之明的人，遇到问题了会反省自己，不会抱怨别人；能够掌握自己命运的人，只会积极进取，不会抱怨苍天。

Life is too short to hold grudges.

不了解敌情，不可以行军打仗，不熟悉洋人的情况，不可以远谋。

Within a computer natural language is unnatural.