伟大的设计在于创造出既美观又实用的东西。
Great design is about creating something that is both beautiful and functional.
Writing is the only way I know how to live twice.
理解计算的限制与理解计算的能力同样重要。
Courage is not the absence of fear, but rather the judgment that something else is more important than fear.
The mind is a product of evolution and learning.