【释义】治理国家的关键在于秉持公平正直的原则。

Batteries are not just energy storage devices; they're enablers of renewable energy.

Buying tools: Start by buying the absolute cheapest tools you can find. Upgrade the ones you use a lot. If you wind up using some tool for a job， buy the very best you can afford.

The problem of the modern individual is not that he has too little choice, but that he has too much.

Collaboration across industries is the key to solving complex energy challenges.