The unexamined life is not worth living.
The energy transition is not just about switching fuels; it's about transforming entire economies and societies.
预测未来的最好方法就是发明它。
I have come to believe that a great teacher is a great artist and that there are as few as there are any other great artists. Teaching might even be the greatest of the arts since the medium is the human mind and spirit.
要这样行动，使得你意志的准则任何时候都能同时被看作一个普遍立法的原则。
The most sustainable solutions often come from the simplest ideas.