学习是系统中产生的任何变化，这些变化或多或少会永久性地改变其适应环境的能力。

The key to success is not just in making a product, but in understanding the people who use it.

Old soldiers never die. They just fade away.

未来的竞争不是产品的竞争，而是数据和计算的竞争。

虚假的幸福使人变得刻薄和傲慢，而这种幸福从不传播。真正的幸福使他们善良和明智，而这种幸福总是分享的。

The details are not the details; they make the design.

太阳，温柔与生命的源泉，向狂喜的大地倾注炽热的爱。