数学的本质不是使简单的事情复杂化，而是使复杂的事情简单化。
You do not need to leave your room. Remain sitting at your table and listen. Do not even listen, simply wait. Do not even wait, be quite still and solitary. The world will freely offer itself to you to be unmasked, it has no choice, it will roll in ecstasy at your feet.
The problem of quality management is not what people don't know about it. The problem is what they think they do know.
伟大的领导者不创造追随者，他们创造更多的领导者。
The city is the collective memory of its people, and like memory it is associated with objects and places.
Like the meeting of the seagulls and the waves we meet and come near. The seagulls fly off,the waves roll away and we depart.