和平不是免费的，需要不断努力维护。

I only hope that we never lose sight of one thing - that it was all started by a mouse.

当我画画时，我什么都没想，只是在画。

The most prominent single element in modern scientific management is the task idea. The work of every workman is fully planned out by the management at least one day in advance, and each man receives in most cases complete written instructions, describing in detail the task which he is to accomplish.

Good product managers should think like users and act like CEOs.

We must consider the environmental impact of every technological advancement.