Happiness is secured through virtue; it is a good attained by man's own will.

Simplicity is a great virtue but it requires hard work to achieve it and education to appreciate it. Simplicity is the ultimate sophistication.

和粉丝在一起的每一刻都很珍贵。

The most important thing in a user interface is the feedback.

To live without experiencing some of the most beautiful relations life affords is not to have lived at all.

The Soviet Union was a civilization of fear, where people lived in constant dread of the knock on the door at night.