最好的设计是那些能解决问题而不会带来新问题的设计。
The best designs are those that solve problems without creating new ones.
The customer may not always be right, but they always come first.
The only meaningful way to study learning is through objective measurement.
The power of positive thinking is the ability to generate a feeling of certainty in yourself when nothing in the environment supports you.
成功研究的关键是跨学科的合作和知识共享。