True craftsmanship is about passion, precision, and patience.

When someone tells you about the peak year of human history， the period of time when things were good before things went downhill， it will always be the years of when they were 10 years sold — which is the peak of any human’s existence.

If the people cannot trust their government to do the job for which it exists - to protect them and to promote their common welfare - all else is lost.

我知道必须让孩子们有所专心，怠慢乃是孩子们最可怕的危险。

The real problem is not whether machines think but whether men do.