可持续能源解决方案将定义21世纪。
Sustainable energy solutions will define the 21st century.
The causal perspective is the key to unlocking the mysteries of the universe.
No matter how complex or refined, all behavior is to be explained in terms of stimulus and response.
无论多么复杂或精细，所有行为都可以用刺激和反应来解释。
"The best way to innovate is to start with the customer."
Every seed we plant today is a promise to future generations.
我慢慢地把水桶提到井栏上。我把它稳稳地放在那里。我的耳朵里还响着辘轳的歌声。依然还在晃荡的水面上，我看见太阳的影子在跳动。
Law is the union of primary and secondary rules.