"There is music in silence, if you listen carefully enough."

The most important thing in communication is hearing what isn't said.

The most important single aspect of software development is to be clear about what you are trying to build.

No Human Is Limited as Long as You Have the Desire.

The desires， and other passions of man， in themselves， are in his own power； his real difficulties are， to know when they are to be controlled， and when not.

解决复杂问题的关键是提出正确的因果问题。